Definition: Given a factoid/trivia type question, generate the topic of the question. The topic is the entity the question talks about.
Input: Which family film of 1957 starring Dorothy McGuire and Fes Parker centres on the story of a youg boy and his love for his dog on thier family ranch home during the 1860's which ends tragically after the dog contracts rabies following a fight with a wolf?
Output:
dorothy mcguire