Determine the topic of the question-answer pair. Question: "how is human height measured?"; Answer: "Human height is the distance from the bottom of the feet to the top of the head in a human body , standing erect."? Topic:
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Answer: Human height

Q: Determine the topic of the question-answer pair. Question: "what countries allow gays to openly serve in the military?"; Answer: "Nations that permit gay people to serve openly in the military include the 4 of the 5 members of the UN Security Council (United States, United Kingdom, France, and Russia), the Republic of China (Taiwan), Australia , Israel , South Africa , Argentina , and all NATO members excluding Turkey ."? Topic:
A: Sexual orientation and military service

Question: Determine the topic of the question-answer pair. Question: "how does a steam engine work?"; Answer: "A steam engine is a heat engine that performs mechanical work using steam as its working fluid ."? Topic:
Answer: Steam engine

[Q]: Determine the topic of the question-answer pair. Question: "where to buy potato bread made without wheat?"; Answer: "It is available as a commercial product in many countries, with similar variations in ingredients, cooking method, and other variables."? Topic:
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[A]: Potato bread

input: Please answer the following: Determine the topic of the question-answer pair. Question: "who pulmonary hypertension?"; Answer: "It was first identified by Dr. Ernst von Romberg in 1891."? Topic:
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output: Pulmonary hypertension

Determine the topic of the question-answer pair. Question: "what is a PCI port used for?"; Answer: "Conventional PCI (PCI is an initialism formed from Peripheral Component Interconnect, part of the PCI Local Bus standard and often shortened to just PCI) is a local computer bus for attaching hardware devices in a computer ."? Topic:
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Answer:
Conventional PCI