Given the task definition and input, reply with output. 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.

Sentence: The film begins with members of the Catholic Church digging up the body of a 19th century church official , whose casket has a box-shaped urn chained to it .
Question: The casket of the 19th century official contained whose box?
box shaped.