Sign outside a flower shop: What's a Christmas tree's favorite candy? Orna-mints.
Sign on a desk: Why was the snowman smiling? He saw the snowblower coming down the street.
Wall sign: Roses are red, fingers are blue, tired of winter how about you?
Presumably it's not a good idea to drink from the left hand tap which has a hose connection on it, so it's likely to have some pretty manky things connected to it.