Question:
Based on the premise "The cave, 54 m (177 ft) long, 15 m (49 ft) high, and 30 m (98 ft) wide, is believed (because of the man-made niches) to have been a nymphaeum, a kind of watery boudoir for the Emperor Tiberius, who retired to Capri in the first century a.d. and built a villa directly above.", can we conclude that "Emperor Tiberius was born and retired in Capri."?
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Answer:
it is not possible to tell

Question:
Based on the premise "It would be very interesting to perform the same experiment with, say, medical journals instead of economics journals.", can we conclude that "Experiments will be very different using medical journals."?
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Answer:
it is not possible to tell

Question:
Based on the premise "Finally he grimaced.", can we conclude that "He grimaced because his hand had been hurt."?
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Answer:
it is not possible to tell