A woman was walking her dog along the beach (don't worry, she was clearing up after it) when she spotted a strangely-shaped bottle that had been washed up by the tide. She picked it up and pulled out the cork. There was a sudden puff of green smoke and a genie appeared.
"Free at last!" he cried triumphantly, then looked at the woman. "For releasing me, I shall grant you one wish!"
The woman said, "Well, it's always been my dream for my dog to win Best in Show at Cruft's!"
The genie looked at the dog. It was a hideous-looking thing, with only one eye and great patches of fur missing. It clearly wasn't the most intelligent of creatures either. The genie said, "Alas, I fear this may be beyond even my powers. To make this dog win Cruft's would drain so much of my magical energy that I would be left powerless and vulnerable to my enemies while it restored itself. I beseech you, choose something else!"
The woman thought for a moment. "Well, my husband is a Celtic supporter. Can you remove that smug expression from his face?"
The genie said, "Lemme see the dog again..."