A man on stilts is playing a tuba for money on the boardwalk .
It is likely that a down-on-his-luck tuba player is trying to earn money to pay his rent .
It is highly unlikely that a down-on-his-luck tuba player is trying to earn money to pay his rent .
It is likely that a down-on-his-luck tuba player is trying to earn money to pay his rent .
A down-on-his-luck tuba player is trying to earn money to pay his rent .