One has claws at the end of its paws and one has a pause at the end of its clause
or
Three: One to screw it in, and two to talk about how much better it is than with a man.
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When it came time to pay, the skunk didn't have a scent, the deer didn't have a buck so they put the meal on the duck's bill.
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The leaning tower of Pizza.
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I think I'm coming down with something!
or