Two young people engage in a friendly snowball fight.
Two teens swimming at the beach.
Snowballs are not at the beach.
exists e1 s1 s2 x1 x2 x3.(in(e1,x2) & n_fight(x2) & of(x2,x3) & n_snowball(x3) & a_friendly(s2) & Theme(s2,x2) & Actor(e1,x1) & v_engage(e1) & n_people(x1) & a_young(s1) & Theme(s1,x1) & card_eq_2(x1))
exists x1 x2 x3.(n_beach(x3) & a_topic(x1) & at(x1,x3) & n_swimming(x1) & of(x1,x2) & n_teens(x2) & card_eq_2(x1))