345987
He later attended Presidency College , Calcutta from where he obtained his B. Sc degree in Physics in 1970 and then went on to complete his M. Sc at Delhi University in 1973 .
 location: Calcutta; organization: Physics; organization: Delhi University
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: Calcutta, Physics, Delhi University 
Answer:
 location: Calcutta; organization: Physics; organization: Delhi University