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She played dual roles of twins , separated in infancy , who try to reunite their long-divorced parents , played by Dennis Quaid and Natasha Richardson .
 person: Dennis Quaid; person: Natasha Richardson
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: Dennis Quaid; person: Natasha Richardson