A group of people sitting on top of a hillside.
A group of people are sitting in a park pavilion.
A group of people is sitting on the top of a hillside and not in a park pavilion
exists e1 x1 x2 x3 x4 x5.(a_topic(x1) & of(x1,x2) & on(e1,x4) & of(x4,x5) & n_hillside(x5) & n_top(x4) & Actor(e1,x3) & v_sit(e1) & (x2 = x3) & n_people(x2) & n_group(x1))
exists e1 x1 x2 x3 x4.(in(e1,x3) & n_pavilion(x3) & of(x3,x4) & n_park(x4) & Actor(e1,x1) & v_sit(e1) & of(x1,x2) & n_people(x2) & n_group(x1))