A man in a yellow helmet climbs up a rock cliff.
A man falls off a cliff.
The man that climbs up is not the same as the one that falls off.
exists e1 s1 s2 x1 x2 x3 x4.(a_up(s2) & Manner(e1,s2) & Theme(e1,x3) & Actor(e1,x1) & v_climb(e1) & n_cliff(x3) & of(x3,x4) & n_rock(x4) & in(x1,x2) & n_helmet(x2) & a_yellow(s1) & Theme(s1,x2) & n_man(x1))
exists e1 s1 x1 x2.(a_off(s1) & Manner(e1,s1) & Theme(e1,x2) & Actor(e1,x1) & v_fall(e1) & n_cliff(x2) & n_man(x1))