48604
While he was working as a private tutor , one of his pupils was Helen Keller , who came to him as a young child unable to see , hear , or speak .
 person: Helen Keller
Given options, please tell me the categories of all the listed entity words.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} 
 Entities: Helen Keller 
Answer:
 person: Helen Keller