A man with a long black hair and beard , wearing a black shirt is sitting on rocks within a fenced in enclosure while holding the paw of a young polar bear .
It is probably the case that a man with a long black hair and beard , wearing a black shirt , is studying polar bears .
There is almost no chance that a man with a long black hair and beard , wearing a black shirt , is studying polar bears .
It is probably the case that a man with a long black hair and beard , wearing a black shirt , is studying polar bears .
A man with a long black hair and beard , wearing a black shirt , is studying polar bears .