Are they blue?
No, they aren't.
Do you like hot dogs?
Yes, I do. / No, I don't.
Do you like bread?
Yes, I do. / No, I don't.
Is it a duck?
No, it isn't
Do you like pizza?
Yes, I do. / No, I don't.
Do you like grapes?
Yes, I do. / No, I don't.
Is it white?
Yes, it is
Is it a horse?
No, it isn't
Do you like bananas?
Yes, I do. / No, I don't.
Is it a crocodile?
Yes, it is