23189
Before commencing a course , Tang tells his students , " I am not in the consulting business .
 person: Tang
Given options, please tell me the categories of all the listed entity words.Output format is "type1: word1; type2: word2". 
Option: date, organization, person, geographical social political, national religious political, facility, cardinal, location, work of art, law, event, product, ordinal, percent, time, quantity, money, language 
Text: {0} 
 Entities: Tang 
Answer:
 person: Tang