Two people are on a snow-covered mountain.
Two people climbing a mountain.
We don't know if the people are climbing.
exists p1 x1.(exists s1 x2.(on(x1,x2) & n_mountain(x2) & a_snow-covered(s1) & Theme(s1,x2)) & n_people(x1) & card_eq_2(x1))
exists e1 x1 x2 x3.(a_topic(x1) & Theme(e1,x3) & Actor(e1,x2) & v_climb(e1) & n_mountain(x3) & (x1 = x2) & n_people(x1) & card_eq_2(x1))