A person is standing on top of a rock in the middle of a small stream surrounded by natural green trees.
A person is on a rock, surrounded by trees
A person standing on top of a rock is a rephrasing of on a rock.
exists e1 e2 s1 s2 s3 x1 x2 x3 x4 x5 x6 x7.(n_middle(x4) & in(e1,x4) & of(x4,x5) & Actor(e2,x7) & n_tree(x7) & a_green(s3) & Theme(s3,x7) & a_natural(s2) & Theme(s2,x7) & Theme(e2,x6) & v_surround(e2) & (x5 = x6) & n_stream(x5) & a_small(s1) & Theme(s1,x5) & on(e1,x2) & of(x2,x3) & n_rock(x3) & n_top(x2) & Actor(e1,x1) & v_stand(e1) & n_person(x1))
exists p1 x1.(exists e1 x2 x3 x4.(on(x1,x2) & Actor(e1,x4) & n_tree(x4) & Theme(e1,x3) & v_surround(e1) & (x2 = x3) & n_rock(x2)) & n_person(x1))