Are those heavy buses?
Yes, they are.
Are those new trucks?
Yes, they are.
Is that a slow car?
No, it isn't.
Is that a short train?
No, it isn't.
Are those long trains?
Yes, they are.
Are those clean buses?
No, they aren't.
Are those big boats?
Yes, they are.
Are those short trains?
No, they aren't.
Is that a slow boat?
No, it isn't.
Are those slow cars?
No, they aren't.
Are those small boats?
No, they aren't.
Are those old trucks?
No, they aren't.
Is that an old bus?
Yes, it is.
Is that a fast car?
Yes, it is.
Is that a clean bus?
No, it isn't.
Are those fast cars?
Yes, they are.
Is that a dirty truck?
No, it isn't.
Is that a new truck?
Yes, it is.
Is that a long train?
Yes it is.