Three boys and there father working in a yard.
Four males are watching a football game on TV.
It's either three boys or four.
exists s1 x1 x2 x3 x4.(a_topic(s1) & subset_of(x2,s1) & in(x2,x4) & n_yard(x4) & n_father(x2) & Time(x2,x3) & n_working(x3) & subset_of(x1,s1) & n_boy(x1) & card_eq_3(x1))
exists e1 x1 x2 x3 x4.(on(e1,x4) & n_tv(x4) & Theme(e1,x2) & Actor(e1,x1) & v_watch(e1) & n_game(x2) & of(x2,x3) & n_football(x3) & n_male(x1) & card_eq_4(x1))