Definition: You are given a sentence and a question in the input. If the information provided in the sentence is enough to answer the question, label "Yes", otherwise label "No". Do not use any facts other than those provided in the sentence while labeling "Yes" or "No". There are only two types of valid responses: Yes and No.
Input: 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?

Yes.