Brown dog chasing a pink ball.
A dog is chasing a ball.
"A dog is chasing a ball" is a rephrasing of "dog chasing a ...ball"
exists e1 s1 s2 x1 x2 x3.(a_topic(x1) & Theme(e1,x3) & Actor(e1,x2) & v_chase(e1) & n_ball(x3) & a_pink(s2) & Theme(s2,x3) & (x1 = x2) & n_dog(x1) & a_brown(s1) & Theme(s1,x1))
exists e1 x1 x2.(Theme(e1,x2) & Actor(e1,x1) & v_chase(e1) & n_ball(x2) & n_dog(x1))