Men are working outside and one is climbing on top of something.
A few males are working and one is climbing on a tree.
A person climbing on top of something can be climbing anything and not necessarily a tree.
exists e1 e2 s1 x1 x2 x3 x4.(on(e2,x3) & of(x3,x4) & n_thing(x4) & n_top(x3) & Actor(e2,x2) & v_climb(e2) & n_thing(x2) & card_eq_1(x2) & a_outside(s1) & Manner(e1,s1) & Actor(e1,x1) & v_work(e1) & n_man(x1))
exists e1 e2 s1 x1 x2 x3.(on(e2,x3) & n_tree(x3) & Actor(e2,x2) & v_climb(e2) & n_thing(x2) & card_eq_1(x2) & Actor(e1,x1) & v_work(e1) & n_male(x1) & a_few(s1) & Theme(s1,x1))