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

[Q]: What canal opened in Egypt?
[A]: egypt


[Q]: Alexander the Great died in which ancient city?
[A]: alexander the great


[Q]: Taking office on April 26th 1939, then again on December 19th 1949, who was Australian Prime minister at the start of World War Two?
[A]:
australia