Two kids swim outside with goggles.
The children are swimming.
The kids swim is being rephrased as children swimming.
exists e1 x1 x2.(with(e1,x2) & n_goggles(x2) & r_outside(e1) & Actor(e1,x1) & v_swim(e1) & n_kid(x1) & card_eq_2(x1))
exists p1 x1.(n_child(x1) & exists x2.((x1 = x2) & n_swimming(x2)))