Two people play foosball.
Four people are having a match of foosball.
There either can be two people or four people playing foosball.
exists e1 x1 x2.(Theme(e1,x2) & Actor(e1,x1) & v_play(e1) & n_foosball(x2) & n_people(x1) & card_eq_2(x1))
exists e1 x1 x2 x3.(Theme(e1,x2) & Actor(e1,x1) & v_have(e1) & of(x2,x3) & n_foosball(x3) & n_match(x2) & n_people(x1) & card_eq_4(x1))