Three males are playing hockey.
Three people are playing hockey.
Males are people, even if they're playing hockey. (I couldn't say "males are people" because I kept getting an error message.)
exists e1 x1 x2.(Theme(e1,x2) & Actor(e1,x1) & v_play(e1) & n_hockey(x2) & n_male(x1) & card_eq_3(x1))
exists e1 x1 x2.(Theme(e1,x2) & Actor(e1,x1) & v_play(e1) & n_hockey(x2) & n_people(x1) & card_eq_3(x1))