3981
He spent his early life training as a weightlifter and won a silver medal for the United States at the 1948 Summer Olympics in London , lifting a total of 380 " kg in the light-heavyweight division .
 location: United States; location: London
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: United States, London 
Answer:
 location: United States; location: London