[Q]: Sentence: For example, many lichens consist of fungal and photosynthetic symbionts that cannot live on their own. Question: What is an example of an obligate relationship?
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[A]: yes

[Q]: Sentence: It is a method of voting called a "weighted first past the post system". Question: What method of voting does Norfolk Island use for it's Assembly?
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[A]: yes

[Q]: Sentence: These recorded four separate sound signals. Question: What did quadraphonic recording feature?
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[A]:
yes