input question: Determine the topic of the passage. "These reactions take the light-dependent reactions and perform further chemical processes on them." Topic:???
output answer: Light-independent reactions

Determine the topic of the passage. "Antarctica has the lowest naturally occurring temperature ever recorded on the ground on Earth: −89.2 °C (−128.6 °F) at Vostok Station ." Topic:
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Answer: Climate of Antarctica

Q: Determine the topic of the passage. "The president leads the executive branch of the federal government and is the commander-in-chief of the United States Armed Forces ." Topic:
A: President of the United States

Question: Determine the topic of the passage. "Lead-acid batteries are made up of plates of lead and separate plates of lead dioxide , which are submerged into an electrolyte solution of about 38% sulfuric acid and 62% water ." Topic:
Answer: Automotive battery

[Q]: Determine the topic of the passage. "Milk is a white liquid produced by the mammary glands of mammals ." Topic:
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[A]: Milk

Problem: Given the question: Determine the topic of the passage. "is a Latin word that means "thus" or, in writing, "it was thus in the source material"." Topic:
++++++++++++++++++++++++++++++++
The answer is:

Sic