Problem: Given the question: Determine the topic of the question-answer pair. Question: "what causes a deficiency in adenosine deaminase?"; Answer: "Adenosine deaminase deficiency, also called ADA deficiency or ADA-SCID, is an autosomal recessive metabolic disorder that causes immunodeficiency ."? Topic:
++++++++++++++++++++++++++++++++
The answer is:
Adenosine deaminase deficiency

input question: Determine the topic of the question-answer pair. Question: "when does black friday start for christmas?"; Answer: "This was taken to a new extreme in 2011, when several retailers (including Target , Kohl's , Macy's , Best Buy , and Bealls ) opened at midnight for the first time."? Topic:???
output answer: Black Friday (shopping)

Determine the topic of the question-answer pair. Question: "who owns exxon mobil?"; Answer: "It is a direct descendant of John D. Rockefeller 's Standard Oil company, and was formed on November 30, 1999, by the merger of Exxon and Mobil ."? Topic:
----
Answer: ExxonMobil

Q: Determine the topic of the question-answer pair. Question: "what countries are in cono sur?"; Answer: "Although geographically this includes Southern and part of Southeast ( Sao Paulo ) of Brazil , in terms of political geography the Southern cone has traditionally comprised Argentina , Chile , Paraguay , and Uruguay ."? Topic:
A: Southern Cone

Question: Determine the topic of the question-answer pair. Question: "what is a vetting process?"; Answer: "Vetting is the process of performing a background check on someone before offering them employment, conferring an award, etc."? Topic:
Answer: Vetting

Please answer this: Determine the topic of the question-answer pair. Question: "what do jehovah witnesses believe?"; Answer: "They believe that the destruction of the present world system at Armageddon is imminent, and that the establishment of God's kingdom on earth is the only solution for all problems faced by mankind."? Topic:
++++++++
Answer:
Jehovah's Witnesses