A man is seated in a tree near a river.
A man is seated in a tree.
man is seated in a tree is same as man is seated in a tree
exists e1 x1 x2 x3.(in(e1,x2) & near(x2,x3) & n_river(x3) & n_tree(x2) & Theme(e1,x1) & v_seat(e1) & n_man(x1))
exists e1 x1 x2.(in(e1,x2) & n_tree(x2) & Theme(e1,x1) & v_seat(e1) & n_man(x1))