A redheaded boy swimming underwater.
A boy swimming
A boy swimming could be a redheaded and swimming underwater.
exists s1 x1 x2 x3.(a_topic(x1) & n_underwater(x1) & of(x1,x3) & n_swimming(x3) & of(x1,x2) & n_boy(x2) & a_redheaded(s1) & Theme(s1,x1))
exists x1 x2.(a_topic(x1) & n_swimming(x1) & of(x1,x2) & n_boy(x2))