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It ends with FBI agent Olivia Dunham ( Anna Torv ) discovering a startling secret about Massive Dynamic founder William Bell ( Leonard Nimoy ) .
 organization: FBI; person: Anna Torv; person: Leonard Nimoy
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 organization: FBI; person: Anna Torv; person: Leonard Nimoy