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

Ex Input:
Which American screenwriter, producer, director, actor, author and editor, most productive in the 1950's, made Plan 9 From Outer Space, Glen or Glenda and Bride Of The Monster?

Ex Output:
screenwriter


Ex Input:
In which Indian city is Eden Gardens, the second largest test cricket ground in the world?

Ex Output:
eden gardens


Ex Input:
Who was both the last President of Czechoslovakia and the first President of the Czech republic?

Ex Output:

president of the czech republic