Please answer this: Determine the topic of the passage. "The series also originated much tie-in merchandise, making the Harry Potter brand worth in excess of $15 billion." Topic:
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Answer: Harry Potter

Problem: Determine the topic of the passage. "This layer of organic semiconductor is situated between two electrodes." Topic:

A: OLED

Problem: Given the question: 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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The answer is:
Big Ten Conference

input question: Determine the topic of the passage. "A fleet was sent to Cyprus in 451 BC, but achieved little, and when it withdrew the Greco-Persian Wars drew to a quiet end." Topic:???
output answer: Greco-Persian Wars

Determine the topic of the passage. "Cluster sampling is a sampling technique used when "natural" but relatively homogeneous groupings are evident in a statistical population ." Topic:
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Answer: Cluster sampling

Q: Determine the topic of the passage. "The most commonly used language is English ." Topic:
A:
Languages of the United States