A boy served a box on a leaflet to Sebastian .
boy ( x _ 1 ) AND serve . agent ( x _ 2 , x _ 1 ) AND serve . theme ( x _ 2 , x _ 4 ) AND serve . recipient ( x _ 2 , Sebastian ) AND box ( x _ 4 ) AND box . nmod . on ( x _ 4 , x _ 7 ) AND leaflet ( x _ 7 )