Q: Determine the topic of the question. Question: "what triggered the civil war?" Topic:
A: American Civil War

Q: Determine the topic of the question. Question: "how many land rovers have landed on mars?" Topic:
A: Mars rover

Q: Determine the topic of the question. Question: "how is root beer made??" Topic:
A: Root beer

Q: Determine the topic of the question. Question: "what is soy made from?" Topic:
A:
Soybean