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Game developer David Cage wrote the 2,000 - page script , acted as director for the four years of development , travelled to Philadelphia to research the setting , and intended to improve upon what was flawed in his 2005 game " Fahrenheit " .
 person: David Cage; location: Philadelphia
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:
 person: David Cage; location: Philadelphia