Two men in blue shirts climbing on rocks.
Two women in blue shirts climbing on rocks.
There can either be men or women.
exists e1 s1 x1 x2 x3 x4.(a_topic(x1) & on(e1,x4) & n_rock(x4) & Actor(e1,x3) & v_climb(e1) & (x1 = x3) & in(x1,x2) & n_shirt(x2) & a_blue(s1) & Theme(s1,x2) & n_man(x1) & card_eq_2(x1))
exists e1 s1 x1 x2 x3 x4.(a_topic(x1) & in(x1,x2) & on(e1,x4) & n_rock(x4) & Actor(e1,x3) & v_climb(e1) & (x2 = x3) & n_shirt(x2) & a_blue(s1) & Theme(s1,x2) & n_woman(x1) & card_eq_2(x1))