A man is sitting on a bench in front of water fountain.
A man is drinking from a water fountain.
The man sitting in front of the water fountain cannot be the one drinking from the water fountain.
exists e1 x1 x2 x3 x4 x5.(in(e1,x3) & of(x3,x4) & n_fountain(x4) & of(x4,x5) & n_water(x5) & n_front(x3) & on(e1,x2) & n_bench(x2) & Actor(e1,x1) & v_sit(e1) & n_man(x1))
exists e1 x1 x2 x3.(from(e1,x2) & n_fountain(x2) & of(x2,x3) & n_water(x3) & Actor(e1,x1) & v_drink(e1) & n_man(x1))