Liam said that a potato was found by a girl .
say . agent ( x _ 1 , Liam ) AND say . ccomp ( x _ 1 , x _ 6 ) AND potato ( x _ 4 ) AND find . theme ( x _ 6 , x _ 4 ) AND find . agent ( x _ 6 , x _ 9 ) AND girl ( x _ 9 )