You are given a sentence and a question in the input. The information provided in the sentence should be enough to answer the question. You're expected to write the correct answer. Do not use any facts other than those provided in the sentence.
Q: Sentence: They befriend their neighbor , Jud Crandall , who tells them about a nearby pet cemetery which was built on Indian burial grounds and is rumored to be haunted . 
Question: Why did Jud try to change Louis' mind about burying Gage in the Indian burying ground?
A: 
The Indian burying ground is rumored to be haunted.