A mouse offered Joseph a cake on a ladder .
mouse ( x _ 1 ) AND offer . agent ( x _ 2 , x _ 1 ) AND offer . recipient ( x _ 2 , Joseph ) AND offer . theme ( x _ 2 , x _ 5 ) AND cake ( x _ 5 ) AND cake . nmod . on ( x _ 5 , x _ 8 ) AND ladder ( x _ 8 )