A chandelier hangs above a group of people sitting at a restaurant table in front of a glass window.
Nobody is sitting
If people are sitting, it does not follow that nobody is sitting. People and nobody are contradictory.
exists e2 e1 x1 x2 x3 x4 x5 x6 x7 x8 x9.(above(e1,x2) & of(x2,x3) & in(e2,x7) & of(x7,x8) & n_window(x8) & of(x8,x9) & n_glass(x9) & n_front(x7) & at(e2,x5) & n_table(x5) & of(x5,x6) & n_restaurant(x6) & Actor(e2,x4) & v_sit(e2) & (x3 = x4) & n_people(x3) & n_group(x2) & Actor(e1,x1) & v_hang(e1) & n_chandelier(x1))
-exists e1 x1.(Actor(e1,x1) & v_sit(e1) & n_person(x1))