Q: Determine the topic of the question. Question: "what is the population of center tx?" Topic:
A: Center, Texas

Q: Determine the topic of the question. Question: "what are some chinese inventions?" Topic:
A: List of Chinese inventions

Q: Determine the topic of the question. Question: "who sung the banana boat song?" Topic:
A: Day-O (The Banana Boat Song)

Q: Determine the topic of the question. Question: "what is the sign for degrees?" Topic:
A:
Degree symbol