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 A common mineral similar to rust fashioned into a powder of tiny crystals could provide a simple , inexpensive method for removing hazardous levels of arsenic from drinking water , researchers at Rice University in Houston are reporting today . 
 Houston, Rice University
Please list all entity pairs containing a certain relationship in the given options.Output format is "word1, word2; 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:
 Houston, Rice University