The girl was offered the cake on a blanket by Elizabeth .
* girl ( x _ 1 ) ; * cake ( x _ 5 ) ; offer . recipient ( x _ 3 , x _ 1 ) AND offer . theme ( x _ 3 , x _ 5 ) AND offer . agent ( x _ 3 , Elizabeth ) AND cake . nmod . on ( x _ 5 , x _ 8 ) AND blanket ( x _ 8 )