Are they Chinese?
Yes, they are.
Are the students energenic?
No, they aren't.
Is he eager?
No, he isn't.
Is he happy?
Yes, he is.
Is he clever?
Yes, he is.
Is Mario a doctor?
No, he isn't.
Is the food appetizing?
No, it isn't.
Is this submarine pricey?
Yes, it is.
Is she well known?
Yes, she is.
Is this country enormous?
No, it isn't.
Is he good at volleyball?
No, he isn't.
Are they absurd?
No, they aren't.
