Is the giraffe eating?
Yes, it is.
Is the crocodile eating?
No, it isn't. It's walking.
Is the giraffe drinking?
No, it isn't. It's eating.
Is the zebra running?
No, it isn't. It's drinking.
Is the monkey eating?
Yes, it is.
Is the monkey walking?
No, it isn't. It's eating.
Is the lion drinking?
Yes, it is.
Is the zebra eating?
No, it isn't. It's running.
Is the monkey walking?
Yes, it is.
Is the crocodile walking?
Yes, it is.