A man stands in a run-down looking area.
The man is sitting under a tree.
The man can only either be standing or sitting, not both at the same time.
exists e2 e1 s1 x1 x2.(in(e1,x2) & n_area(x2) & Actor(e2,x2) & v_look(e2) & a_run-down(s1) & Theme(s1,x2) & Actor(e1,x1) & v_stand(e1) & n_man(x1))
exists e1 x1 x2.(n_man(x1) & under(e1,x2) & n_tree(x2) & Actor(e1,x1) & v_sit(e1))