Are the zebra climbing?
No, they aren't.
Is the horse eating?
Yes, it is.
Are the birds talking?
Yes, they are.
Are the penguins swimming?
Yes, they are.
Is the woman writing?
No, she isn't.
Are the monkeys walking?
No, they aren't.
Is the lizard drinking?
No, it isn't.
Are the monkeys cooking?
No, they aren't.
Is the woman eating a sandwich?
Yes, she is.
Is the woman taking photo?
Yes, she is.
Is the woman talking?
No, she isn't.
Are the tigers walking?
Yes, they are.
Is the dog sleeping?
No, it isn't.