A greyhound dog wearing a yellow and black shirt runs along a dirt racetrack.
A race dog is competing
Not all greyhounds are race dogs. Just because the dog is wearing clothing and running along the racetrack does not mean it is competing.
exists e1 e2 s1 s2 s3 x1 x2 x3 x4 x5.(along(e2,x4) & n_racetrack(x4) & of(x4,x5) & n_dirt(x5) & Actor(e2,x1) & v_run(e2) & Theme(e1,x3) & Actor(e1,x2) & v_wear(e1) & n_shirt(x3) & a_black(s3) & Theme(s3,x3) & a_yellow(s2) & Theme(s2,x3) & (x1 = x2) & n_dog(x1) & a_greyhound(s1) & Theme(s1,x1))
exists e1 x1 x2.(Actor(e1,x1) & v_compete(e1) & n_dog(x1) & of(x1,x2) & n_race(x2))