Demonstrate command of the conventions of standard English capitalization, punctuation, and spelling when writing. (L.4.2 and 5.2)
e. Use a comma to set off the words yes and no (e.g., Yes, thank you), to set off a tag question from the rest of the sentence (e.g., It’s true, isn’t it?), and to indicate direct address (e.g., Is that you, Steve?).
More information and the complete College and Career Readiness Standards can be found here.