Three children are looking at an object that is floating in the water on the beach.
There are three adults swimming at the beach.
If they're three children then they can't be three adults
exists e2 e1 x1 x2 x3 x4 x5.(n_beach(x5) & n_water(x4) & at(e1,x2) & on(e2,x5) & in(e2,x4) & Actor(e2,x3) & v_float(e2) & (x2 = x3) & n_object(x2) & Actor(e1,x1) & v_look(e1) & n_child(x1) & card_eq_3(x1))
exists p1 x1 x4.(n_beach(x4) & exists x2 x3.((x1 = x2) & at(x2,x4) & Time(x2,x3) & n_swimming(x3) & n_adult(x2) & card_eq_3(x2)))