A man looks up at the camera as he climbs a rock and others look on.
People are watching a man climb a rock.
watching and look on are the same because people are seeing what he is doing
exists e1 p1 s1 x1 x2.(n_person(x2) & n_male(x2) & n_camera(x2) & exists e3 e2 s2 x3 x4.(a_on(s2) & Manner(e3,s2) & Actor(e3,x4) & v_look(e3) & -(x4 = x2) & n_person(x4) & Theme(e2,x3) & Actor(e2,x2) & v_climb(e2) & n_rock(x3)) & as(e1,p1) & a_up(s1) & Manner(e1,s1) & at(e1,x2) & Actor(e1,x1) & v_look(e1) & n_man(x1))
exists x1.(all x2.(n_rock(x2) -> exists e1 x3 x4.(Theme(e1,x3) & Actor(e1,x1) & v_watch(e1) & for(x3,x2) & n_climb(x3) & of(x3,x4) & n_man(x4))) & n_people(x1))