Two individual climbing up a steep mountain.
A pair of people climbing a mountain.
The two people are a pair and they are climbing a mountain.
exists e1 s1 s2 x1 x2.(a_up(s2) & Manner(e1,s2) & Theme(e1,x2) & Actor(e1,x1) & v_climb(e1) & n_mountain(x2) & a_steep(s1) & Theme(s1,x2) & n_individual(x1) & card_eq_2(x1))
exists e1 x1 x2 x3 x4.(a_topic(x1) & of(x1,x2) & Theme(e1,x4) & Actor(e1,x3) & v_climb(e1) & n_mountain(x4) & (x2 = x3) & n_people(x2) & n_pair(x1))