101169
It contradicted with the theory proposed by Robert Cialdini ( 1987 ) which supported that empathy-altruism hypothesis was actually the product of an entirely egoistic desire for personal mood management .
 person: Robert Cialdini
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: Robert Cialdini 
Answer:
 person: Robert Cialdini