28_a_driver_handbook
If no lanes are marked and there are four lanes or more in your direction , you may only drive in either of the two lanes closest to the right edge of the road .

%3 0028_0001__If if[cnt][cnd] 0028_0006__and and 0028_0001__If->0028_0006__and [restriction] 0028_0018__may_0028_0019__only may_only 0028_0001__If->0028_0018__may_0028_0019__only [scope] 0028_0002__no no[quant] 0028_0006__and->0028_0002__no [conj1] 0028_0008__are are 0028_0006__and->0028_0008__are [conj2] 0028_0022__eithe either[quant] 0028_0018__may_0028_0019__only->0028_0022__eithe [scope] 0028_0003__lanes lanes 0028_0002__no->0028_0003__lanes [restriction] 0028_0004__are are 0028_0002__no->0028_0004__are [scope] 0028_0004__are->0028_0003__lanes [arg0] 0028_0005__marked marked 0028_0004__are->0028_0005__marked [prd2] 0028_0011__or or 0028_0008__are->0028_0011__or [arg0] 0028_0015__direction direction 0028_0008__are->0028_0015__direction in[clr][loc] 0028_0009__fou0028_0010__lanes four_lanes 0028_0011__or->0028_0009__fou0028_0010__lanes [conj1] z_0028_1010 _ 0028_0011__or->z_0028_1010 [conj2] 0028_0014__your your 0028_0015__direction->0028_0014__your [genv] 0028_0012__more more z_0028_1010->0028_0012__more [attrib] 0028_0020__drive drive 0028_0022__eithe->0028_0020__drive [scope] z_0028_1024 _ 0028_0022__eithe->z_0028_1024 [restriction] 0028_0020__drive->0028_0014__your [arg0] 0028_0020__drive->z_0028_1024 in[loc] 0028_0027__closest closest z_0028_1024->0028_0027__closest [attrib] 0028_0024__the_0028_0025__two_0028_0026__lanes the_two_lanes z_0028_1024->0028_0024__the_0028_0025__two_0028_0026__lanes of 0028_0029__the_0028_0031__edge the_edge 0028_0027__closest->0028_0029__the_0028_0031__edge to 0028_0030__right right 0028_0029__the_0028_0031__edge->0028_0030__right [attrib] 0028_0033__the_0028_0034__road the_road 0028_0029__the_0028_0031__edge->0028_0033__the_0028_0034__road of
arc(r_0028_0001__If_cnt_cnd,r_0028_0006__and,restriction).
arc(r_0028_0001__If_cnt_cnd,r_0028_0018__may_r_0028_0019__only,scope).
arc(r_0028_0002__no__quant,r_0028_0003__lanes,restriction).
arc(r_0028_0002__no__quant,r_0028_0004__are,scope).
arc(r_0028_0004__are,r_0028_0003__lanes,arg0).
arc(r_0028_0004__are,r_0028_0005__marked,prd2).
arc(r_0028_0006__and,r_0028_0002__no__quant,coord_conj1).
arc(r_0028_0006__and,r_0028_0008__are,coord_conj2).
arc(r_0028_0008__are,r_0028_0011__or,arg0).
arc(r_0028_0008__are,r_0028_0015__direction,r_0028_0013__in__clr_loc).
arc(r_0028_0011__or,r_0028_0009__four_r_0028_0010__lanes,conj1).
arc(r_0028_0011__or,z_0028_1010,conj2).
arc(r_0028_0015__direction,r_0028_0014__your,genv).
arc(r_0028_0018__may_r_0028_0019__only,r_0028_0022__either__quant,keep_scope).
arc(r_0028_0020__drive,r_0028_0014__your,arg0).
arc(r_0028_0020__drive,z_0028_1024,r_0028_0021__in__loc).
arc(r_0028_0022__either__quant,r_0028_0020__drive,scope).
arc(r_0028_0022__either__quant,z_0028_1024,restriction).
arc(r_0028_0027__closest,r_0028_0029__the_r_0028_0031__edge,r_0028_0028__to).
arc(r_0028_0029__the_r_0028_0031__edge,r_0028_0030__right,attrib).
arc(r_0028_0029__the_r_0028_0031__edge,r_0028_0033__the_r_0028_0034__road,r_0028_0032__of).
arc(z_0028_1010,r_0028_0012__more,attrib).
arc(z_0028_1024,r_0028_0024__the_r_0028_0025__two_r_0028_0026__lanes,r_0028_0023__of).
arc(z_0028_1024,r_0028_0027__closest,attrib).


IP-MAT PP-SCON-CNT-CND P-CONN If IP-ADV ILYR ILYR NP-SBJ Q no NS lanes BEP;~La are ADJP-PRD2 ADJ marked CONJP CONJ and ILYR EX there BEP;~ex_Vpr are NP-ESBJ NLYR NP NUM four NS lanes CONJP CONJ or NP ADJP ADJR more PP-CLR-LOC P-ROLE in NP NP-GENV PRO;_genm_ your N direction PUNC , NP-SBJ PRO you MD;~cat_Vi may IP-INF-CAT ADVP-MOD ADV only VB drive PP-LOC P-ROLE in NP Q;_nphd_ either PP P-ROLE of NP D the NUM two NS lanes ADJP ADJS closest PP P-ROLE to NP D the ADJP ADJ right N edge PP P-ROLE of NP D the N road PUNC .
( (IP-MAT (PP-SCON-CNT-CND (P-CONN If;{if})
                           (IP-ADV (ILYR (ILYR (NP-SBJ (Q no;{no})
                                                       (NS lanes;{lane}))
                                               (BEP;~La are;{be})
                                               (ADJP-PRD2 (ADJ marked;{marked})))
                                         (CONJP (CONJ and;{and})
                                                (ILYR (EX there;{there})
                                                      (BEP;~ex_Vpr are;{be[in]})
                                                      (NP-ESBJ (NLYR (NP (NUM four;{four})
                                                                         (NS lanes;{lane}))
                                                                     (CONJP (CONJ or;{or})
                                                                            (NP (ADJP (ADJR more;{more}))))))
                                                      (PP-CLR-LOC (P-ROLE in;{in})
                                                                  (NP (NP-GENV (PRO;_genm_ your;{your}))
                                                                      (N direction;{direction}))))))))
          (PUNC ,)
          (NP-SBJ (PRO you;{you}))
          (MD;~cat_Vi may;{may})
          (IP-INF-CAT (ADVP-MOD (ADV only;{only}))
                      (VB drive;{drive})
                      (PP-LOC (P-ROLE in;{in})
                              (NP (Q;_nphd_ either;{either})
                                  (PP (P-ROLE of;{of})
                                      (NP (D the;{the})
                                          (NUM two;{two})
                                          (NS lanes;{lane})))
                                  (ADJP (ADJS closest;{close})
                                        (PP (P-ROLE to;{to})
                                            (NP (D the;{the})
                                                (ADJP (ADJ right;{right}))
                                                (N edge;{edge})
                                                (PP (P-ROLE of;{of})
                                                    (NP (D the;{the})
                                                        (N road;{road})))))))))
          (PUNC .))
  (ID 28_a_driver_handbook))