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

Ex Input:
What canal opened in Egypt?

Ex Output:
egypt


Ex Input:
Which late 17th and early 18th century British architect designed Brighton Pavilion, Marble Arch, and the plan for London's Regents Park?

Ex Output:
royal pavilion


Ex Input:
Which human rights activist delivered a speech in Cleveland, Ohio in April 1964 entitled 'The Ballot or the Bullet'?

Ex Output:

the ballot or the bullet