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He left in 1992 to study economics and physics at the Wharton School ; he graduated in 1997 with a Bachelor of Science degree in economics from the Silicon Valley and a Bachelor of Arts degree in physics from the College of Arts and Sciences .
 organization: Wharton School; organization: Silicon Valley; organization: College of Arts and Sciences
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 organization: Wharton School; organization: Silicon Valley; organization: College of Arts and Sciences