101316
In the late sixties and early seventies , Barbara Brown , one of the most effective popularizers of Biofeedback , wrote several books on biofeedback , making the public much more aware of the technology .
 person: Barbara Brown
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: Barbara Brown 
Answer:
 person: Barbara Brown