Fixed inconsistent role issues in the obj_pp_to_subj_pp gen subset.

data/gen.tsv

@@ -10501,7 +10501,7 @@ William teleported a donut on a stage to Emma .	teleport . agent ( x _ 1 , Willi
 The cockroach sketched a wine beside the flower .	* cockroach ( x _ 1 ) ; * flower ( x _ 7 ) ; sketch . agent ( x _ 2 , x _ 1 ) AND sketch . theme ( x _ 2 , x _ 4 ) AND wine ( x _ 4 ) AND wine . nmod . beside ( x _ 4 , x _ 7 )	obj_to_subj_common
 Ella liked that Charlie expected to walk .	like . agent ( x _ 1 , Ella ) AND like . ccomp ( x _ 1 , x _ 4 ) AND expect . agent ( x _ 4 , Charlie ) AND expect . xcomp ( x _ 4 , x _ 6 ) AND walk . agent ( x _ 6 , Charlie )	obj_to_subj_proper
 Paula adored William .	adore . agent ( x _ 1 , Paula ) AND adore . theme ( x _ 1 , William )	prim_to_subj_proper
-The girl on a speaker rolled .	* girl ( x _ 1 ) ; girl . nmod . on ( x _ 1 , x _ 4 ) AND speaker ( x _ 4 ) AND roll . agent ( x _ 5 , x _ 1 )	obj_pp_to_subj_pp
+The girl on a speaker rolled .	* girl ( x _ 1 ) ; girl . nmod . on ( x _ 1 , x _ 4 ) AND speaker ( x _ 4 ) AND roll . theme ( x _ 5 , x _ 1 )	obj_pp_to_subj_pp
 The girl on the computer liked Noah .	* girl ( x _ 1 ) ; * computer ( x _ 4 ) ; girl . nmod . on ( x _ 1 , x _ 4 ) AND like . agent ( x _ 5 , x _ 1 ) AND like . theme ( x _ 5 , Noah )	obj_pp_to_subj_pp
 Emma shipped the bee a bell .	* bee ( x _ 3 ) ; ship . agent ( x _ 1 , Emma ) AND ship . recipient ( x _ 1 , x _ 3 ) AND ship . theme ( x _ 1 , x _ 5 ) AND bell ( x _ 5 )	pp_dative_to_do_dative
 The cat drew Lina .	* cat ( x _ 1 ) ; draw . agent ( x _ 2 , x _ 1 ) AND draw . theme ( x _ 2 , Lina )	subj_to_obj_proper