A large group of people are walking up a steep mountain with clouds hanging in the background.
No one is on a mountain.
group of people cannot be no one at the same time
exists e1 e2 s1 s2 s3 x1 x2 x3 x4 x5.(n_background(x5) & in(e2,x5) & Actor(e2,x4) & v_hang(e2) & with(e1,x4) & n_cloud(x4) & a_up(s3) & Manner(e1,s3) & Theme(e1,x3) & Actor(e1,x1) & v_walk(e1) & n_mountain(x3) & a_steep(s2) & Theme(s2,x3) & of(x1,x2) & n_people(x2) & n_group(x1) & a_large(s1) & Theme(s1,x1))
-exists p1 x1.(exists x2.(on(x1,x2) & n_mountain(x2)) & n_one(x1))