Five people are sitting in front of the ocean.
Five people are watching the waves.
Sitting in front of the ocean does not mean you are watching the waves.
exists e1 x1 x2 x3.(n_ocean(x3) & in(e1,x2) & of(x2,x3) & n_front(x2) & Actor(e1,x1) & v_sit(e1) & n_people(x1) & card_eq_5(x1))
exists e1 x1 x2.(n_wave(x2) & Theme(e1,x2) & Actor(e1,x1) & v_watch(e1) & n_people(x1) & card_eq_5(x1))