Are they classmates?
Yes, they are.
Is he a man?
No, he isn't.
Is he a man?
Yes, he is.
Is this a classroom?
No, it isn't. It's a museum.
Is she a woman?
Yes, she is.
Are they teachers?
No, they aren't.
Are they friends?
Yes, they are.
Is she a teacher?
Yes, she is.
Is she a woman?
No, she isn't.
Is she a girl?
Yes, she is.
Is he a boy?
Yes, he is.