A black dog is running through long grass with a colorful toy in its mouth.
A dog is playing with a ball just tossed to him.
Not all toys are balls. Their is no indication that the ball had just been tossed to the dog.
exists e1 s1 s2 s3 x1 x2 x3 x4.(in(e1,x4) & n_mouth(x4) & of(x4,x1) & n_thing(x1) & with(e1,x3) & n_toy(x3) & a_colorful(s3) & Theme(s3,x3) & through(e1,x2) & n_grass(x2) & a_long(s2) & Theme(s2,x2) & Actor(e1,x1) & v_run(e1) & n_dog(x1) & a_black(s1) & Theme(s1,x1))
exists e1 e2 s1 x1 x2 x3.(with(e1,x2) & a_just(s1) & Manner(e2,s1) & to(e2,x1) & n_male(x1) & Actor(e2,x3) & v_toss(e2) & (x2 = x3) & n_ball(x2) & Actor(e1,x1) & v_play(e1) & n_dog(x1))