A group of people walking in a scrubland, a mountain in the background.
The people are all men.
Just because a  group of people walking in a scrubland, a mountain in the background doesn't mean that they all are men.
exists e1 x1 x2 x3 x4 x5 x6.(n_background(x6) & a_topic(x1) & of(x1,x2) & in(e1,x4) & rel(x4,x5) & in(x5,x6) & n_mountain(x5) & n_scrubland(x4) & Actor(e1,x3) & v_walk(e1) & (x2 = x3) & n_people(x2) & n_group(x1))
exists p1 x1.(n_people(x1) & all x2.(n_man(x2) -> (x1 = x2)))