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He played the Earl of Gloucester in the Donmar Theatre production of King Lear with Derek Jacobi and Maurice Montgomery in Nicholas Wright 's Travelling Light at the National Theatre .
 Theatre, Derek Jacobi, Theatre
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Theatre, Derek Jacobi, Theatre