Two football players talk during a game.
Two basketball players are on the court.
The players cannot be playing both basketball and football at the same time
exists e1 x1 x2 x3.(during(e1,x3) & n_game(x3) & Actor(e1,x1) & v_talk(e1) & n_player(x1) & of(x1,x2) & n_football(x2) & card_eq_2(x1))
exists p1 x1 x2 x3.(n_court(x3) & on(x1,x3) & n_player(x1) & of(x1,x2) & n_basketball(x2) & card_eq_2(x1))