DOE Jokes

I was at a restaurant and a waitress yelled, "Does anyone know CPR?" I said, "I know the whole alphabet." Everyone laughed and laughed, well, everyone except one.

Roses are not always red, Violets are violet, not blue. Irises are never red, Petunias can be kinda blue.

What does this tell us 'cept you can't trust a poet to tell the truth.