A greyhound dog wearing a yellow and black shirt runs along a dirt racetrack .
It is almost certain that a greyhound dog runs along a dirt track and chases the other greyhounds
It is almost certain that a greyhound dog runs along a dirt track and chases the other greyhounds
It is impossible that a greyhound dog runs along a dirt track and chases the other greyhounds
A greyhound dog runs along a dirt track and chases the other greyhounds