Q: Determine the topic of the question-answer pair. Question: "what is water jet propulsion?";  Answer: "Unlike a powerboat or motorboat that uses a propeller in the water below or behind the boat, a jetboat draws the water from under the boat into a pump inside the boat, then expels it through a nozzle at the stern ."? Topic:
A: Jetboat

Q: Determine the topic of the question-answer pair. Question: "What is Ischemia or infarction??";  Answer: "Ischemia is generally caused by problems with blood vessels , with resultant damage to or dysfunction of tissue."? Topic:
A: Ischemia

Q: Determine the topic of the question-answer pair. Question: "what cities are in the bahamas?";  Answer: "Nassau"? Topic:
A: List of cities in the Bahamas

Q: Determine the topic of the question-answer pair. Question: "where does ground pepper come from?";  Answer: "Black pepper (Piper nigrum) is a flowering vine in the family Piperaceae , cultivated for its fruit , which is usually dried and used as a spice and seasoning ."? Topic:
A:
Black pepper