A man wearing goggles is swimming in a pool.
A man swimming in a pool.
A man is swimming in a pool in both sentences.
exists e2 e1 x1 x2 x3 x4.(in(e2,x4) & n_pool(x4) & Actor(e2,x1) & v_swim(e2) & Theme(e1,x3) & Actor(e1,x2) & v_wear(e1) & n_goggles(x3) & (x1 = x2) & n_man(x1))
exists x1 x2 x3.(a_topic(x1) & in(x1,x3) & n_pool(x3) & n_swimming(x1) & of(x1,x2) & n_man(x2))