Walk the Dog?

Issue: An Iranian Man was arrested and sentenced to 4 months in jail and 30 lashes for walking his dog, since dogs are considered "unclean" in Islam (along with unbelievers). So if you went for a walk with an unbeliever, would you risk the same fate?
     Muhammad did not like dogs.  "Angels do not enter a house wherein there is a dog." Bukhari 4.54.448 " Prayer is annulled by a dog, a donkey and a woman (if they pass in front of praying people)" Bukhari 1.4.173  Apparently women and donkeys are also unclean.   "Were dogs not a species of creatures I should command that they all be killed; but kill every pure black one."  Sunan Abu dawud 16.2839
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