41_a_driver_handbook
The yellow flashing lights warn you to slow down and prepare to stop .

%3 0041_0001__The_0041_0003__flashing_0041_0004__lights the_flashing_lights 0041_0002__yellow yellow 0041_0001__The_0041_0003__flashing_0041_0004__lights->0041_0002__yellow [attrib] 0041_0005__warn warn 0041_0005__warn->0041_0001__The_0041_0003__flashing_0041_0004__lights [arg0] 0041_0010__and and 0041_0005__warn->0041_0010__and [arg1] 0041_0008__slo0041_0009__down slow_down 0041_0010__and->0041_0008__slo0041_0009__down [conj1] 0041_0011__prepare_0041_0013__stop prepare_stop 0041_0010__and->0041_0011__prepare_0041_0013__stop [conj2] 0041_0006__you you 0041_0008__slo0041_0009__down->0041_0006__you [arg0] 0041_0011__prepare_0041_0013__stop->0041_0006__you [arg0]
arc(r_0041_0001__The_r_0041_0003__flashing_r_0041_0004__lights,r_0041_0002__yellow,attrib).
arc(r_0041_0005__warn,r_0041_0001__The_r_0041_0003__flashing_r_0041_0004__lights,arg0).
arc(r_0041_0005__warn,r_0041_0010__and,arg1).
arc(r_0041_0008__slow_r_0041_0009__down,r_0041_0006__you,arg0).
arc(r_0041_0010__and,r_0041_0008__slow_r_0041_0009__down,conj1).
arc(r_0041_0010__and,r_0041_0011__prepare_r_0041_0013__stop,conj2).
arc(r_0041_0011__prepare_r_0041_0013__stop,r_0041_0006__you,arg0).


IP-MAT NP-SBJ D The ADJP ADJ yellow N flashing NS lights VBP warn NP-DOB1 PRO you IP-INF-OB1 TO to ILYR ILYR VB slow RP down CONJP CONJ and ILYR VB;~cat_Vt prepare IP-INF-CAT TO to VB;~I stop PUNC .
( (IP-MAT (NP-SBJ;{YELLOW_LIGHTS} (D The;{the})
                                  (ADJP (ADJ yellow;{yellow}))
                                  (N flashing;{flashing})
                                  (NS lights;{light}))
          (VBP warn;{warn})
          (NP-DOB1 (PRO you;{you}))
          (IP-INF-OB1 (TO to;{to})
                      (ILYR (ILYR (VB slow;{slow})
                                  (RP down;{down}))
                            (CONJP (CONJ and;{and})
                                   (ILYR (VB;~cat_Vt prepare;{prepare})
                                         (IP-INF-CAT (TO to;{to})
                                                     (VB;~I stop;{stop}))))))
          (PUNC .))
  (ID 41_a_driver_handbook))