Some people looking out windows in a large building.
the people are looking at a plane
Not all people looking out windows must be looking at a plane.
exists e1 s1 s2 x1 x2 x3.(a_out(s2) & Manner(e1,s2) & Theme(e1,x2) & Actor(e1,x1) & v_look(e1) & in(x2,x3) & n_building(x3) & a_large(s1) & Theme(s1,x3) & n_window(x2) & n_people(x1))
exists e1 x1 x2.(n_people(x1) & at(e1,x2) & n_plane(x2) & Actor(e1,x1) & v_look(e1))