Four musicians performing on the sidewalk in front of a business.
Four musicians performing on the street.
If the musicians are on the sidewalk they are not in the street.
exists e1 x1 x2 x3 x4 x5.(n_sidewalk(x3) & a_topic(x1) & in(e1,x4) & of(x4,x5) & n_business(x5) & n_front(x4) & on(e1,x3) & Actor(e1,x2) & v_perform(e1) & (x1 = x2) & n_musician(x1) & card_eq_4(x1))
exists e1 x1 x2 x3.(n_street(x3) & a_topic(x1) & on(e1,x3) & Actor(e1,x2) & v_perform(e1) & (x1 = x2) & n_musician(x1) & card_eq_4(x1))