YesNo

Can a YesNo question include an image?

No.

Can any word other than "Yes" or "No" appear in a YesNo answer?

No.

Can a YesNo answer be an image or a checkbox?

No.

Can a YesNo answer be written in any case?

Yes. info

Can a YesNo answer end with a period?

Yes. info

Must a YesNo answer end with a period?

No. info

Can a YesNo answer be written "Y-E-S" or "N-O"?

No.

Can a YesNo answer end with an exclamation mark?

No. info

Can a YesNo answer end with a question mark?

No. info

Can a YesNo answer include punctuation other than a period?

No.