A young man in a purple snow cap is rock climbing.
A man is falling off a mountain.
A man rocking climbing is not simultaneously falling off a mountain.
exists p1 s1 s2 x1 x2 x3.(exists x4 x5.((x1 = x4) & n_climb(x4) & of(x4,x5) & n_rock(x5)) & in(x1,x2) & n_cap(x2) & of(x2,x3) & n_snow(x3) & a_purple(s2) & Theme(s2,x2) & n_man(x1) & a_young(s1) & Theme(s1,x1))
exists e1 s1 x1 x2.(a_off(s1) & Manner(e1,s1) & Theme(e1,x2) & Actor(e1,x1) & v_fall(e1) & n_mountain(x2) & n_man(x1))