The scuba diver is underwater.
The diver is buying a bottle of water at the beach concession stand.
Diver cannot be buying a bottle of water underwater.
exists p1 x1 x2.(n_diver(x1) & of(x1,x2) & n_scuba(x2) & exists x3.((x1 = x3) & n_underwater(x3)))
exists e1 x1 x2 x3 x4 x5 x6.(n_stand(x4) & of(x4,x6) & n_concession(x6) & of(x4,x5) & n_beach(x5) & n_diver(x1) & at(e1,x4) & Theme(e1,x2) & Actor(e1,x1) & v_buy(e1) & of(x2,x3) & n_water(x3) & n_bottle(x2))