A man in a black shirt and jeans appears to be working on some piping system .
It is probable that a man working on some old pipes after being told they needed repairing .
It is probable that a man working on some old pipes after being told they needed repairing .
It is highly unlikely that a man working on some old pipes after being told they needed repairing .
A man working on some old pipes after being told they needed repairing .