237313
That spring , he was called up to the Boston Bruins in the National Hockey League , becoming the first goalie in 30 years to play in the NHL while still attending university ( two decades later , Ken Dryden duplicated this feat while studying law at McGill and playing for the Montreal Canadiens ) .
 organization: Boston Bruins; organization: National Hockey League; person: Ken Dryden; organization: McGill; organization: Montreal Canadiens
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: Boston Bruins, National Hockey League, Ken Dryden, McGill, Montreal Canadiens 
Answer:
 organization: Boston Bruins; organization: National Hockey League; person: Ken Dryden; organization: McGill; organization: Montreal Canadiens