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

Ex Input:
Who composed 'Eine Kleine Nachtmusik' in the 18th Century?

Ex Output:
eine kleine nachtmusik


Ex Input:
Which future Nobel Prize winner did Bill Clinton choose as his Vice President?

Ex Output:
vice president of the united states


Ex Input:
In Egyptian mythology who was the god of embalming who also watched over the dead?

Ex Output:

egyptian mythology