A group of young men are running in a grassy field.
The group of young men play a game while on break from work.
Men running in a field does not imply that they play a game while on break from work.
Not all group of young men running in a grassy field are playing a game.Not all group of young men running in a grassy field are on a break from work.
Not all men that run in a grassy field is on break from work.