Question:
Based on the premise "These Indians, also from South America, swept north in fast seagoing canoes, attacking and either eating or driving Arawak men off island after island, then appropriating their women.", can we conclude that "The Indians were from South America."?
****
Answer:
yes

Question:
Based on the premise "San Francisco station and a San Jose station but neither one of them was very clear they were both", can we conclude that "San Jose station was sunny"?
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Answer:
it is not possible to tell

Question:
Based on the premise "Sure enough, a Zercher friend tells the New York Daily News that Zercher, who is now an executive assistant in New Jersey, told her several years ago that Clinton groped her and grabbed her breasts.", can we conclude that "Zercher allegedly confided in her friend, apparently out of distress due to the sexual assault from Clinton."?
****
Answer:
it is not possible to tell