5573
Her parts were of a silent movie star in the 1920 s and a deaf librarian in the 1970 s ; in preparation , she studied sign language and watched the films of Lillian Gish .
 person: Lillian Gish
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: media, plant, vehicle, astronomical object, time, disease, animal, location, person, organization, mythical figure, food, biology, geographical phenomenon, instrument, event 
Text: {0} 
Answer:
 person: Lillian Gish