Q: Determine the topic of the question-answer pair. Question: "What is caused by the human immunodeficiency virus??"; Answer: "Human immunodeficiency virus (HIV) is a lentivirus (slowly replicating retrovirus ) that causes acquired immunodeficiency syndrome (AIDS), a condition in humans in which progressive failure of the immune system allows life-threatening opportunistic infections and cancers to thrive."? Topic:
A: HIV

Q: Determine the topic of the question-answer pair. Question: "what makes a dwarf planet?"; Answer: "More explicitly, the International Astronomical Union (IAU) defines a dwarf planet as a celestial body in direct orbit of the Sun that is massive enough for its shape to be controlled by gravitation , but that unlike a planet has not cleared its orbital region of other objects."? Topic:
A: Dwarf planet

Q: Determine the topic of the question-answer pair. Question: "what is tofu made of?"; Answer: "Tofu, also called bean curd, is a food made by coagulating soy juice and then pressing the resulting curds into soft white blocks."? Topic:
A: Tofu

Q: Determine the topic of the question-answer pair. Question: "what year lord of rings made??"; Answer: "It was written in stages between 1937 and 1949, much of it during World War II ."? Topic:
A:
The Lord of the Rings