A man is climbing a rock wall.
Several men are climbing a mountain together.
They can either be climbing a mountain or a rock wall. It can also be one man or several men.
exists e1 x1 x2 x3.(Theme(e1,x2) & Actor(e1,x1) & v_climb(e1) & n_wall(x2) & of(x2,x3) & n_rock(x3) & n_man(x1))
exists e1 s1 s2 x1 x2.(a_together(s2) & Manner(e1,s2) & Theme(e1,x2) & Actor(e1,x1) & v_climb(e1) & n_mountain(x2) & n_man(x1) & a_several(s1) & Theme(s1,x1))