There are two people rock climbing, one is on the ground while the other climbs.
The people are a man and a woman.
It is not clear whether the two people are a man and a woman.
exists p1 x1 x6 x7.(-(x6 = x3) & n_climb(x6) & n_ground(x7) & exists p2 x2.((x1 = x2) & exists p3 x3 x4 x5.(while(p3,x6) & n_climb(x3) & n_climb(x3) & on(x3,x7) & rel(x3,x5) & n_thing(x5) & card_eq_1(x5) & of(x3,x4) & n_rock(x4)) & that(x2,p2) & n_people(x2) & card_eq_2(x2)))
exists p1 x1.(n_people(x1) & exists x2 x3 x4.((x1 = x2) & subset_of(x4,x2) & n_woman(x4) & subset_of(x3,x2) & n_man(x3)))