(AH)+HOW+DO+WE+KNOW?

We look in different webpages, for information like:
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We have interview 3 peolple,Julian Domiguez, presidente of chamber of commerce of cali.Maria leonor Cabal (vice president of cahmber of commerce of cali)Unemploy person-James VillegasWe have revised and synthesised all the information, for seing if with that answer we have show in depth understanding of the key concepts, and we were wirite, we have shown understanding.======