282464
His life 's work involved the articulation of a language of spatial patterns , which he refined while working as a research scientist at Kennecott Copper Co. research laboratory in Lexington , MA from 1962 to 1973 .
 location: MA
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: MA 
Answer:
 location: MA