A girl proved that a donut was given to the princess by the priest .
* princess ( x _ 10 ) ; * priest ( x _ 13 ) ; girl ( x _ 1 ) AND prove . agent ( x _ 2 , x _ 1 ) AND prove . ccomp ( x _ 2 , x _ 7 ) AND donut ( x _ 5 ) AND give . theme ( x _ 7 , x _ 5 ) AND give . recipient ( x _ 7 , x _ 10 ) AND give . agent ( x _ 7 , x _ 13 )