Determine the topic of the question. Question: "when did wwi begin?" Topic:
Ans: World War I

Determine the topic of the question. Question: "when was malcolm x assassinated?" Topic:
Ans: Malcolm X

Determine the topic of the question. Question: "who is inventor of the radio?" Topic:
Ans: Invention of radio

Determine the topic of the question. Question: "who was charged with murder after the massacre at My lai?" Topic:
Ans: My Lai Massacre