A person is climbing up a rock.
A person is on the ground.
If one is climbing up, one is no longer on the ground.
exists e1 s1 x1 x2.(a_up(s1) & Manner(e1,s1) & Theme(e1,x2) & Actor(e1,x1) & v_climb(e1) & n_rock(x2) & n_person(x1))
exists p1 x1 x2.(n_ground(x2) & on(x1,x2) & n_person(x1))