93833
Over the past eight years he has conducted the BBC Philharmonic , BBC Concert Orchestra , BBC Singers , Britten Sinfonia , Manchester Camerata , St James 's Baroque and Ulster Orchestra .
 BBC Philharmonic, BBC Concert Orchestra, BBC, Orchestra
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 BBC Philharmonic, BBC Concert Orchestra, BBC, Orchestra