Given a factoid/trivia type question, generate the topic of the question. The topic is the entity the question talks about.

Input: Consider Input: In which range of mountains are the two highest peaks Aconcagua and Ojos Del Salado?

Output: aconcagua


Input: Consider Input: Aldebaran is the brightest star in which constellation?

Output: aldebaran


Input: Consider Input: Which TV show is centred around Al Bundy, his wife Peggy, and their children Kelly and Bud?


Output: al bundy