106735
Career Upon graduating from the ETH in 1950 with a degree in civil engineering , Isler worked as a teaching assistant with Pierre Lardy , a professor at the ETH , from 1951 to 1953 .
 organization: ETH; organization: ETH
Given options, please tell me the categories of all the listed entity words.Output format is "type1: word1; type2: word2". 
Option: location, person, organization 
Text: {0} 
 Entities: ETH, ETH 
Answer:
 organization: ETH; organization: ETH