Instruct: Classify a given review as either positive or negative.
Query: The Witches

This is a great book. It's about a boy and he lives with his grandma because his parents died in an accident.His grandma tells him a lot of stories about witches and how you can notice when a person is a witch. One day he meets very suspicious ladies at a hotel they are staying in. The very suspicious ladies do something bad to his friend and him! Can Grandmama help the boy and his friend turn back to normal? To find out read the book called The Witches!