Two men are walking parallel to two women
Two men swimming.
Men can not be walking and swimming simultaneously.
exists e1 x1 x2 x3.(to(e1,x3) & n_woman(x3) & card_eq_2(x3) & Theme(e1,x2) & Actor(e1,x1) & v_walk(e1) & n_parallel(x2) & n_man(x1) & card_eq_2(x1))
exists s1 x1 x2.(n_swimming(x1) & a_.(s1) & Theme(s1,x1) & of(x1,x2) & n_man(x2) & card_eq_2(x1) & a_topic(x1))