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He received his B.S. in Biology from Yale University in 1984 , where he ranked top among seniors majoring in the sciences , winning Yale 's prestigious Chittenden Prize at the University Commencement .
 Yale University, Yale
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Yale University, Yale