two fighters kickboxing
Two fighters are dancing in a club.
They can not be kickboxing and dancing in a club, so they contradict each other
exists e1 x1 x2.(a_topic(x1) & Actor(e1,x2) & v_kickbox(e1) & (x1 = x2) & n_fighter(x1) & card_eq_2(x1))
exists e1 x1 x2.(in(e1,x2) & n_club(x2) & Actor(e1,x1) & v_dance(e1) & n_fighter(x1) & card_eq_2(x1))