Two people sitting in orange carts.
People walking through the park.
One cannot be sitting in orange carts and be walking through the park at the same time.
exists e1 x1 x2 x3 x4.(a_topic(x1) & in(e1,x3) & n_cart(x3) & of(x3,x4) & n_orange(x4) & Actor(e1,x2) & v_sit(e1) & (x1 = x2) & n_people(x1) & card_eq_2(x1))
exists e1 x1 x2 x3.(n_park(x3) & a_topic(x1) & through(e1,x3) & Actor(e1,x2) & v_walk(e1) & (x1 = x2) & n_people(x1))