Instruct: Classify the given review into positive or negative sentiment.
Query: Stone Fox

Stone Fox is about a little boy named Willy. He has a dog named Searchlight. He thought his grandfather was playing with him when he wouldn't answer him and wouldn't get out of bed. But then little Willy got worried. So he went to see Doc Smith. The town nurse. She also thought that he was just playing with him. She asked if went to bed late that night. Willy said," No harmonica or anything!""He went to bed without playing his harmonica!?" asked Doc Smith"Yes," said Willy"Hitch up Rex I'll go get my bag.When they got to little Willy's house they rushed upstairs to grandfather. Doc Smith used all the little tools in her bag. She said he was as healthy as an ox. She said that he just didn't want to live anymore...My favorite part:My favorite part in this story is when Willy sees his grandfather out of his bed during the race.My favorite character:My favorite character is Searchlight. I love black dogs.How I liked the book:I liked the book a lot! It's my second favorite book ever.