People line up in the ocean.
People stand on the beach looking at the ocean.
People can't be on the beach and in the ocean at the same time.
exists x1 x2 x3.(n_ocean(x3) & a_topic(x1) & n_up(x1) & in(x1,x3) & n_line(x1) & of(x1,x2) & n_people(x2))
exists e1 e2 x1 x2 x3.(n_ocean(x3) & n_beach(x2) & for(e1,e2) & at(e2,x3) & Actor(e2,x1) & v_look(e2) & on(e1,x2) & Actor(e1,x1) & v_stand(e1) & n_people(x1))