Problem: Determine the topic of the passage. "Mariah Carey (born March 27, 1970) is an American singer , songwriter , record producer , actress , and philanthropist ." Topic:

A: Mariah Carey
Problem: Given the question: Determine the topic of the passage. "Tax deposits are formally entrusted to the Federal Old-Age and Survivors Insurance Trust Fund, the Federal Disability Insurance Trust Fund, the Federal Hospital Insurance Trust Fund, or the Federal Supplementary Medical Insurance Trust Fund which comprise the Social Security Trust Fund ." Topic:
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The answer is:
Social Security (United States)
input question: Determine the topic of the passage. "In medicine , ischemia, also spelled as ischaemia or ischmia, (; from Greek language , ischaimia; isch- root denoting a restriction or thinning or to make or grow thin/lean, haema blood ) is a restriction in blood supply to tissues , causing a shortage of oxygen and glucose needed for cellular metabolism (to keep tissue alive)." Topic:???
output answer: Ischemia
Determine the topic of the passage. "Its twelve member institutions (which are primarily flagship research universities in their respective states, well-regarded academically, and with relatively large student enrollment) are located primarily in the Midwest , stretching from Nebraska in the west to Penn State in the east." Topic:
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Answer: Big Ten Conference
Q: Determine the topic of the passage. "In numismatics , a mule is a coin or medal minted with obverse and reverse designs not normally seen on the same piece." Topic:
A: Mule (coin)
[Q]: Determine the topic of the passage. "Dialysis tubing is a type of semi- or partially permeable membrane tubing made from regenerated cellulose or cellophane ." Topic:
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[A]:
Dialysis tubing