Three people climb on a large rock.
Three people climb
People can only climb on a large .
exists s1 x1 x2 x3.(a_topic(x1) & on(x1,x3) & n_rock(x3) & a_large(s1) & Theme(s1,x3) & Time(x1,x2) & n_climb(x2) & n_people(x1) & card_eq_3(x1))
exists x1 x2.(a_topic(x1) & Time(x1,x2) & n_climb(x2) & n_people(x1) & card_eq_3(x1))