Is there a bear in the zoo?
No, there isn't
What animal is it?
Giraffe
What animal is it?
Hippo
What animal is it?
Crocodile
What animal is it?
tiger
What animal is it?
Zebra
Are there elephants in the zoo?
Yes, there are
Are there hippos in the zoo?
No, there aren't
Are there giraffes in the zoo?
Yes, there are
Is there a tiger in the zoo?
Yes, there is
Is there a crocodile in the zoo?
No, there isn't
Is there a snake in the zoo?
No, there isn't