45_a_duplex
Google believes there are several use cases that justify the existence of Duplex.

%3 0045_0002__believes believes 0045_0001__Google Google 0045_0002__believes->0045_0001__Google [arg0] 0045_0004__are are 0045_0002__believes->0045_0004__are [arg1] 0045_0006__use_7__cases use_cases 0045_0004__are->0045_0006__use_7__cases [arg0] 0045_0005__several several 0045_0006__use_7__cases->0045_0005__several [attrib] 0045_0009__justify justify 0045_0009__justify->0045_0006__use_7__cases [inv][arg0] 0045_0010__the_11__existence the_existence 0045_0009__justify->0045_0010__the_11__existence [arg1] 0045_0013__Duplex Duplex 0045_0010__the_11__existence->0045_0013__Duplex of
arc(r_0045_0002__believes,r_0045_0001__Google,arg0).
arc(r_0045_0002__believes,r_0045_0004__are,arg1).
arc(r_0045_0004__are,r_0045_0006__use_r_0045_0007__cases,arg0).
arc(r_0045_0006__use_r_0045_0007__cases,r_0045_0005__several,attrib).
arc(r_0045_0009__justify,r_0045_0006__use_r_0045_0007__cases,inv_arg0).
arc(r_0045_0009__justify,r_0045_0010__the_r_0045_0011__existence,arg1).
arc(r_0045_0010__the_r_0045_0011__existence,r_0045_0013__Duplex,r_0045_0012__of).

n45_a_duplex n45_a_duplex__1_1_1_1 Google n45_a_duplex__1_2_1 believes n45_a_duplex__1_3_1_1_1 there n45_a_duplex__1_3_1_2_1 are n45_a_duplex__1_3_1_3_1_1_1 several n45_a_duplex__1_3_1_3_2_1 use n45_a_duplex__1_3_1_3_3_1 cases n45_a_duplex__1_3_1_3_4_1_1 that n45_a_duplex__1_3_1_3_4_2_1 *T* n45_a_duplex__1_3_1_3_4_3_1 justify n45_a_duplex__1_3_1_3_4_4_1_1 the n45_a_duplex__1_3_1_3_4_4_2_1 existence n45_a_duplex__1_3_1_3_4_4_3_1_1 of n45_a_duplex__1_3_1_3_4_4_3_2_1_1 Duplex n45_a_duplex__1_4_1 . n45_a_duplex__1 IP-MAT n45_a_duplex__1_1 NP-SBJ n45_a_duplex__1->n45_a_duplex__1_1 n45_a_duplex__1_2 VBP;~Tf n45_a_duplex__1->n45_a_duplex__1_2 n45_a_duplex__1_3 CP-THT-OB1 n45_a_duplex__1->n45_a_duplex__1_3 n45_a_duplex__1_4 PUNC n45_a_duplex__1->n45_a_duplex__1_4 n45_a_duplex__1_1_1 NPR n45_a_duplex__1_1->n45_a_duplex__1_1_1 n45_a_duplex__1_1_1->n45_a_duplex__1_1_1_1 n45_a_duplex__1_2->n45_a_duplex__1_2_1 n45_a_duplex__1_3_1 IP-SUB n45_a_duplex__1_3->n45_a_duplex__1_3_1 n45_a_duplex__1_3_1_1 EX n45_a_duplex__1_3_1->n45_a_duplex__1_3_1_1 n45_a_duplex__1_3_1_2 BEP;~ex_V n45_a_duplex__1_3_1->n45_a_duplex__1_3_1_2 n45_a_duplex__1_3_1_3 NP-ESBJ n45_a_duplex__1_3_1->n45_a_duplex__1_3_1_3 n45_a_duplex__1_3_1_1->n45_a_duplex__1_3_1_1_1 n45_a_duplex__1_3_1_2->n45_a_duplex__1_3_1_2_1 n45_a_duplex__1_3_1_3_1 ADJP n45_a_duplex__1_3_1_3->n45_a_duplex__1_3_1_3_1 n45_a_duplex__1_3_1_3_2 N n45_a_duplex__1_3_1_3->n45_a_duplex__1_3_1_3_2 n45_a_duplex__1_3_1_3_3 NS n45_a_duplex__1_3_1_3->n45_a_duplex__1_3_1_3_3 n45_a_duplex__1_3_1_3_4 IP-REL n45_a_duplex__1_3_1_3->n45_a_duplex__1_3_1_3_4 n45_a_duplex__1_3_1_3_1_1 ADJ n45_a_duplex__1_3_1_3_1->n45_a_duplex__1_3_1_3_1_1 n45_a_duplex__1_3_1_3_1_1->n45_a_duplex__1_3_1_3_1_1_1 n45_a_duplex__1_3_1_3_2->n45_a_duplex__1_3_1_3_2_1 n45_a_duplex__1_3_1_3_3->n45_a_duplex__1_3_1_3_3_1 n45_a_duplex__1_3_1_3_4_1 C n45_a_duplex__1_3_1_3_4->n45_a_duplex__1_3_1_3_4_1 n45_a_duplex__1_3_1_3_4_2 NP-SBJ n45_a_duplex__1_3_1_3_4->n45_a_duplex__1_3_1_3_4_2 n45_a_duplex__1_3_1_3_4_3 VBP;~Tn n45_a_duplex__1_3_1_3_4->n45_a_duplex__1_3_1_3_4_3 n45_a_duplex__1_3_1_3_4_4 NP-OB1 n45_a_duplex__1_3_1_3_4->n45_a_duplex__1_3_1_3_4_4 n45_a_duplex__1_3_1_3_4_1->n45_a_duplex__1_3_1_3_4_1_1 n45_a_duplex__1_3_1_3_4_2->n45_a_duplex__1_3_1_3_4_2_1 n45_a_duplex__1_3_1_3_4_3->n45_a_duplex__1_3_1_3_4_3_1 n45_a_duplex__1_3_1_3_4_4_1 D n45_a_duplex__1_3_1_3_4_4->n45_a_duplex__1_3_1_3_4_4_1 n45_a_duplex__1_3_1_3_4_4_2 N n45_a_duplex__1_3_1_3_4_4->n45_a_duplex__1_3_1_3_4_4_2 n45_a_duplex__1_3_1_3_4_4_3 PP n45_a_duplex__1_3_1_3_4_4->n45_a_duplex__1_3_1_3_4_4_3 n45_a_duplex__1_3_1_3_4_4_1->n45_a_duplex__1_3_1_3_4_4_1_1 n45_a_duplex__1_3_1_3_4_4_2->n45_a_duplex__1_3_1_3_4_4_2_1 n45_a_duplex__1_3_1_3_4_4_3_1 P-ROLE n45_a_duplex__1_3_1_3_4_4_3->n45_a_duplex__1_3_1_3_4_4_3_1 n45_a_duplex__1_3_1_3_4_4_3_2 NP n45_a_duplex__1_3_1_3_4_4_3->n45_a_duplex__1_3_1_3_4_4_3_2 n45_a_duplex__1_3_1_3_4_4_3_1->n45_a_duplex__1_3_1_3_4_4_3_1_1 n45_a_duplex__1_3_1_3_4_4_3_2_1 NPR n45_a_duplex__1_3_1_3_4_4_3_2->n45_a_duplex__1_3_1_3_4_4_3_2_1 n45_a_duplex__1_3_1_3_4_4_3_2_1->n45_a_duplex__1_3_1_3_4_4_3_2_1_1 n45_a_duplex__1_4->n45_a_duplex__1_4_1
( (IP-MAT (NP-SBJ;{GOOGLE} (NPR Google;{Google}))
          (VBP;~Tf believes;{believe})
          (CP-THT-OB1 (IP-SUB (EX there;{there})
                              (BEP;~ex_V are;{be})
                              (NP-ESBJ (ADJP (ADJ several;{several}))
                                       (N use;{use})
                                       (NS cases;{case})
                                       (IP-REL (C that;{that})
                                               (NP-SBJ *T*)
                                               (VBP;~Tn justify;{justify})
                                               (NP-OB1 (D the;{the})
                                                       (N existence;{existence})
                                                       (PP (P-ROLE of;{of})
                                                           (NP;{ROBOT_CALLER} (NPR Duplex;{Duplex}))))))))
          (PUNC .))
  (ID 45_a_duplex))