16588
The notions that one can best " fight poison with poison , " and that the more powerful a poison , the greater its tonic effect , have long made poisonous snakes into highly valued natural products .
 None
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:  
Answer:
 None