Definition: Given a factoid/trivia type question, generate the topic of the question. The topic is the entity the question talks about.
Input: Commander Shepard, Jacob Taylor, Miranda Lawson, Thane Krios, Grunt, Jack, Mordin Solus, Samara, Morinth, Legion, Zaeed Messani, Garrus Vakarian and Tali'Zorah Vas Neema are characters in which computer game?
Output:
commander shepard