[Q]: Sentence: Kharabela led many successful campaigns against the states of Magadha, Anga, Satavahanas till the southern most regions of Pandyan Empire (modern Tamil Nadu). Question: What power had previously defeated the Kalingans?
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[A]: no

[Q]: Sentence: However, in members of the tube-dwelling family Siboglinidae the gut is blocked by a swollen lining that houses symbiotic bacteria, which can make up 15% of the worms' total weight. Question: How much of a Siboglinidae's weight is symbiotic bacteria?
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[A]: yes

[Q]: Sentence: He marched from the Cotswolds, feigned an offensive to relieve the besieged Windsor Castle, and attacked eastwards around London to Cambridge to separate the rebel-held areas of Lincolnshire and East Anglia. Question: Where did John march from?
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[A]:
yes