There are two people rock climbing, one is on the ground while the other climbs.
Two individuals courageously climb rocks together.
The pair can't have one person on the ground while rock climbing and have both climbing rocks together simultaneously.
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 e1 s1 s2 x1 x2.(a_courageously(s2) & Manner(e1,s2) & a_together(s1) & Manner(e1,s1) & Theme(e1,x2) & Actor(e1,x1) & v_climb(e1) & n_rock(x2) & n_individual(x1) & card_eq_2(x1))