Man with black hair is swimming.
A man swimming.
Man with black hair is swimming  can also be said as  A man swimming.
exists p1 s1 x1 x2.(exists x3.((x1 = x3) & n_swimming(x3)) & with(x1,x2) & n_hair(x2) & a_black(s1) & Theme(s1,x2) & n_man(x1))
exists x1 x2.(a_topic(x1) & n_swimming(x1) & of(x1,x2) & n_man(x2))