A man working on a concrete building.
A man is putting up a sign on the concrete building.
If "A man working on a concrete building.", does this mean that "A man is putting up a sign on the concrete building."?

Options: 

 - yes

 - it is not possible to tell

 - no
it is not possible to tell
If "A man working on a concrete building.", does this mean that "A man is putting up a sign on the concrete building."?

Options: 

 - yes

 - it is not possible to tell

 - no
user
it is not possible to tell
assistant