Are these doors?
No, they aren't. They are clocks.
Are these pencil sharpeners?
No, they aren't. They are paper clips.
Are these windows?
Yes, they are.
Are these calendars?
Yes, they are.
Are these doors?
Yes, they are.
Is this a picture?
Yes, it is.
Is this a window?
No, it isn't. It's a pencil sharpener.
Is this a window?
Yes, it is.
Is this a picture?
No, it isn't. It's a clock.
Is this a paper clip?
Yes, it is.
Is this a calendar?
Yes, it is.
Is this a calendar?
No, it's a workbook.
