Two people climbing up a snowy mountain.
Two people are walking up the side of the mountain.
The people climbing cannot be the same people walking.
exists e1 s1 s2 x1 x2 x3.(a_topic(x1) & a_up(s2) & Manner(e1,s2) & Theme(e1,x3) & Actor(e1,x2) & v_climb(e1) & n_mountain(x3) & a_snowy(s1) & Theme(s1,x3) & (x1 = x2) & n_people(x1) & card_eq_2(x1))
exists e1 s1 x1 x2 x3.(n_mountain(x3) & n_side(x2) & a_up(s1) & Manner(e1,s1) & Theme(e1,x2) & Actor(e1,x1) & v_walk(e1) & of(x2,x3) & n_people(x1) & card_eq_2(x1))