193241
Career Early TV and theatre work After a brief stint in the Lighting Department for a selection of BBC TV productions such as Parkinson , The Weakest Link and Guess Who 's Coming to Dinner , working alongside UK lighting directors Mark Kenyon , Will Charles and Roger Williams , she moved back into the world of theatre where she worked in the lighting departments of West End London theatres including Sadler 's Wells and the Royal Opera House .
 Royal Opera House
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Royal Opera House