1. Are waiters in the dining hall .?
Yes , they are .
2. Are tables set for dinner .?
No, they aren't .
3. Is watermelon juicy ?
Yes , it is .
4. Is menu card on the table ?
Yes , it is .
5. Is he a good waiter ?
No , he isn't .
6. Was our dinner very good ?
Yes , it was.
7. Is our table in the corner ?
Yes , it is .