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This can be seen in his television plays for LWT from the early 1970 s through to his work for the BBC in the early 1980 s .
 organization: LWT; organization: BBC
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: LWT, BBC 
Answer:
 organization: LWT; organization: BBC