A man rock climbing on a steep cliff.
A man is rocking climbing on a camping trip.
He isn't necessarily on a camping trip - he could just be rock climbing for the day.
exists e1 s1 x1 x2 x3 x4.(a_topic(x1) & on(e1,x4) & n_cliff(x4) & a_steep(s1) & Theme(s1,x4) & Actor(e1,x3) & v_climb(e1) & (x1 = x3) & n_rock(x1) & of(x1,x2) & n_man(x2))
exists e1 p1 x1.(exists e2 x2 x3.(on(e2,x2) & n_trip(x2) & of(x2,x3) & n_camping(x3) & Actor(e2,x1) & v_climb(e2)) & Topic(e1,p1) & Actor(e1,x1) & v_rock(e1) & n_man(x1))