Two young people engage in a friendly snowball fight.
Two kids throwing snowballs.
People are throwing snowballs in a snowball fight
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 e1 x1 x2 x3.(a_topic(x1) & Theme(e1,x3) & Actor(e1,x2) & v_throw(e1) & n_snowball(x3) & (x1 = x2) & n_kid(x1) & card_eq_2(x1))