A boy in goggles is swimming.
A boy is playing in the water.
Playing in the water doesn't denote swimming only
exists p1 x1 x2.(exists x3.((x1 = x3) & n_swimming(x3)) & in(x1,x2) & n_goggles(x2) & n_boy(x1))
exists e1 x1 x2.(n_water(x2) & in(e1,x2) & Actor(e1,x1) & v_play(e1) & n_boy(x1))