A man looks at the camera as he holds a small soldering iron near a magnifying glass and circuit board .
It is almost certain that a man is soldering something and needs a magnifying glass to see clearly .
It is almost certain that a man is soldering something and needs a magnifying glass to see clearly .
It is probably not the case that a man is soldering something and needs a magnifying glass to see clearly .
A man is soldering something and needs a magnifying glass to see clearly .