A young boy is swimming with goggles.
A boy swimming.
A young boy is a boy, and swimming with goggles is a type of swimming.
exists e1 s1 x1 x2.(with(e1,x2) & n_goggles(x2) & Actor(e1,x1) & v_swim(e1) & n_boy(x1) & a_young(s1) & Theme(s1,x1))
exists x1 x2.(a_topic(x1) & n_swimming(x1) & of(x1,x2) & n_boy(x2))