A person with goggles on swimming.
A person is swimming with goggles
goggles on swimming almost the same as  swimming with goggles
exists x1 x2 x3.(a_topic(x1) & on(x1,x3) & n_swimming(x3) & with(x1,x2) & n_goggles(x2) & n_person(x1))
exists e1 x1 x2.(with(e1,x2) & n_goggles(x2) & Actor(e1,x1) & v_swim(e1) & n_person(x1))