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 According to a study by Dr. Robert P. Heaney , a calcium expert at Creighton University in Omaha , much of the research linking caffeine consumption to reduced bone mass was conducted on elderly people whose diets were low on milk and other sources of calcium largely because they drank so much caffeine-laden coffee and soda instead . 
 location contains: Omaha, Creighton University
Given a phrase that describes the relationship between two words, extract the words and the lexical relationship between them. The output format should be "relation1: word1, word2; relation2: word3, word4". 
Option: nationality, country capital, place of death, children, location contains, place of birth, place lived, administrative division of country, country of administrative divisions, company, neighborhood of, company founders 
Text: {0} 
Answer:
 location contains: Omaha, Creighton University