A child plays on the ground in a pile of leaves.
an adult cuts his yard's grass
A child is not an adult. A pile of leaves is not grass.
exists e1 x1 x2 x3 x4.(n_ground(x2) & on(e1,x2) & in(x2,x3) & of(x3,x4) & n_leaf(x4) & n_pile(x3) & Actor(e1,x1) & v_play(e1) & n_child(x1))
exists e1 x1 x2 x3.(Theme(e1,x3) & Actor(e1,x1) & v_cut(e1) & n_grass(x3) & of(x3,x2) & n_yard(x2) & of(x2,x1) & n_male(x1) & n_adult(x1))