People are lying on lounge chairs.
People standing up.
lying is contradictory to standing
exists e1 x1 x2 x3.(on(e1,x2) & n_chair(x2) & of(x2,x3) & n_lounge(x3) & Actor(e1,x1) & v_lie(e1) & n_people(x1))
exists e1 s1 x1 x2.(a_topic(x1) & a_up(s1) & Manner(e1,s1) & Actor(e1,x2) & v_stand(e1) & (x1 = x2) & n_people(x1))