The boy thought that a cake was rolled by the girl .
* boy ( x _ 1 ) ; * girl ( x _ 10 ) ; think . agent ( x _ 2 , x _ 1 ) AND think . ccomp ( x _ 2 , x _ 7 ) AND cake ( x _ 5 ) AND roll . theme ( x _ 7 , x _ 5 ) AND roll . agent ( x _ 7 , x _ 10 )