A boy was mailed the donut on a tree by the girl .
* donut ( x _ 5 ) ; * girl ( x _ 11 ) ; boy ( x _ 1 ) AND mail . recipient ( x _ 3 , x _ 1 ) AND mail . theme ( x _ 3 , x _ 5 ) AND mail . agent ( x _ 3 , x _ 11 ) AND donut . nmod . on ( x _ 5 , x _ 8 ) AND tree ( x _ 8 )