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 book and film, which vessel was commanded by Charlie Allnut?

Output: charlie allnut


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

Output: aconcagua


Input: Consider Input: Who played the character Roy Batty in the 1982 movie 'Blade Runner'?


Output: blade runner