The man is playing with the shaggy little dog.
The man is palying fetch with the dog.
Both men are playing with dogs however it cannot be assumed that the man playing fetch is playing with the shaggy little dog.
exists e1 s1 s2 x1 x2.(n_dog(x2) & a_little(s2) & Theme(s2,x2) & a_shaggy(s1) & Theme(s1,x2) & n_man(x1) & with(e1,x2) & Actor(e1,x1) & v_play(e1))
exists e1 p1 x1 x2.(n_dog(x2) & n_man(x1) & exists e2.(with(e2,x2) & Actor(e2,x1) & v_fetch(e2)) & Topic(e1,p1) & Actor(e1,x1) & v_paly(e1))