Is it a pen?
Yes
Is it a chair?
Yes
Is it a book?
Yes
Is it a snake?
Yes
Is it a duck?
No.
Is it a parrot?
Yes
Is it a door?
No
Is it a lion?
Yes
Is it a bag?
Yes
Is it a pencil?
No
Is it a pen?
No
Is it a rabbit?
Yes
Is it a ruler?
Yes
Is it a lion?
No
Is it an egg?
No
Is it a house?
Yes
Is it a rubber?
No
Is it a tiger?
Yes
Is it a pencil?
Yes
Is it a nest?
No