Two men play a game of ping-pong.
Two humans playing a game.
Men are humans, ping-pong is a game.
exists e1 x1 x2 x3.(Theme(e1,x2) & Actor(e1,x1) & v_play(e1) & of(x2,x3) & n_ping-pong(x3) & n_game(x2) & n_man(x1) & card_eq_2(x1))
exists e1 x1 x2 x3.(a_topic(x1) & Theme(e1,x3) & Actor(e1,x2) & v_play(e1) & n_game(x3) & (x1 = x2) & n_human(x1) & card_eq_2(x1))