three people walking on rocks near a stream
People are running in the desert.
The people cannot be in the desert and also be near a stream.
exists e1 x1 x2 x3 x4.(a_topic(x1) & on(e1,x3) & near(x3,x4) & n_stream(x4) & n_rock(x3) & Actor(e1,x2) & v_walk(e1) & (x1 = x2) & n_people(x1) & card_eq_3(x1))
exists e1 x1 x2.(n_desert(x2) & in(e1,x2) & Actor(e1,x1) & v_run(e1) & n_people(x1))