Man jumping off rocks.
A man is sitting on a rock looking at the stars.
A man cannot be jumping off of rocks the same time he is sitting on a single rock.
exists e1 s1 x1 x2 x3.(a_topic(x1) & a_off(s1) & Manner(e1,s1) & Theme(e1,x3) & Actor(e1,x2) & v_jump(e1) & n_rock(x3) & (x1 = x2) & n_man(x1))
exists e2 e1 x1 x2 x3.(n_star(x3) & for(e1,e2) & at(e2,x3) & Actor(e2,x1) & v_look(e2) & on(e1,x2) & n_rock(x2) & Actor(e1,x1) & v_sit(e1) & n_man(x1))