A group of four young men , who appear to be students , walk away from a bus stop in a school zone .
It is probable that a group of four young men sit near a bus stop in a school zone .
It is impossible that a group of four young men sit near a bus stop in a school zone .
It is probable that a group of four young men sit near a bus stop in a school zone .
A group of four young men sit near a bus stop in a school zone .