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Summers went into the era of the talkies continuing his string of successes , including Chamber of Horrors ( 1929 , the last British silent ) , Lost Patrol ( 1929 , later remade by John Ford ) , Raise the Roof ( 1930 , starring Betty Blythe and regarded as the first British movie musical ) , The Flame of Love ( 1930 ) starring Anna May Wong and Suspense ( 1930 ) , an outstanding psychological thriller set in the trenches of World War I. In time , however , BIP began to persuade Summers towards more workaday , banal material in keeping with their usual product stream .
 Summers, Summers
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Summers, Summers