A brown dog with a pink collar with a heart on it playing with a bigger dog.
A dog is playing with a bigger dog.
A dog playing with a bigger dog is a rephrasing of a brown dog with a pink collar with a heart on it playing with a bigger dog.
exists e1 s1 s2 s3 x1 x2 x3 x4 x5.(a_topic(x1) & with(x1,x2) & with(e1,x5) & n_dog(x5) & r_more(s3) & a_bigger(s3) & Theme(s3,x5) & Actor(e1,x4) & v_play(e1) & (x2 = x4) & with(x2,x3) & on(x3,x1) & n_thing(x1) & n_heart(x3) & n_collar(x2) & a_pink(s2) & Theme(s2,x2) & n_dog(x1) & a_brown(s1) & Theme(s1,x1))
exists e1 s1 x1 x2.(with(e1,x2) & n_dog(x2) & r_more(s1) & a_bigger(s1) & Theme(s1,x2) & Actor(e1,x1) & v_play(e1) & n_dog(x1))