input question: Determine the topic of the question-answer pair. Question: "how a rocket engine works?"; Answer: "A rocket engine, or simply "rocket", is a jet engine that uses only stored propellant mass for forming its high speed propulsive jet ."? Topic:???
output answer: Rocket engine

input question: Determine the topic of the question-answer pair. Question: "what state is pike's peak in??"; Answer: "Pikes Peak State Park is a state park of Iowa , USA, featuring a bluff overlooking the Upper Mississippi River opposite the confluence of the Wisconsin River ."? Topic:???
output answer: Pikes Peak State Park

input question: Determine the topic of the question-answer pair. Question: "what is an agents job role in film?"; Answer: "An agent also defends, supports and promotes the interest of his/her clients."? Topic:???
output answer: Talent agent

input question: Determine the topic of the question-answer pair. Question: "what state was the civil war in?"; Answer: "The American Civil War (ACW), also known as the War between the States or simply the Civil War (see naming ), was a civil war fought from 1861 to 1865 between the United States (the "Union" or the "North") and several Southern slave states that declared their secession and formed the Confederate States of America (the "Confederacy" or the "South")."? Topic:???
output answer:
American Civil War