A crowd of five gather for a celebration.
People celebrating.
If people are celebrating they are at a celebration
exists e1 x1 x2 x3.(for(e1,x3) & n_celebration(x3) & Actor(e1,x1) & v_gather(e1) & of(x1,x2) & n_thing(x2) & card_eq_5(x2) & n_crowd(x1))
exists e1 x1 x2.(a_topic(x1) & Actor(e1,x2) & v_celebrate(e1) & (x1 = x2) & n_people(x1))