Boy with goggles swimming in water.
goggles will not help for good visibility
The goggles needed for swimming is not needed for good visibility.
exists e1 s1 x1 x2 x3.(ne_nam_boy(s1) & a_topic(s1) & with(s1,x1) & in(e1,x3) & n_water(x3) & Actor(e1,x2) & v_swim(e1) & (x1 = x2) & n_goggles(x1))
exists x1.(-exists e1 s1 x2.(for(e1,x2) & n_visibility(x2) & a_good(s1) & Theme(s1,x2) & Actor(e1,x1) & v_help(e1)) & n_goggles(x1))