Three people are at a park.
Three men are singing in the streets.
The people are either in the park or in the streets.
exists p1 x1.(exists x2.(at(x1,x2) & n_park(x2)) & n_people(x1) & card_eq_3(x1))
exists e1 x1 x2.(n_street(x2) & in(e1,x2) & Actor(e1,x1) & v_sing(e1) & n_man(x1) & card_eq_3(x1))