10079
Likewise , humans appear to be much more resistant to phorbol ester - mediated skin toxicity .
 Chemical: phorbol ester
Given options, please tell me the categories of all the listed entity words.Output format is "type1: word1; type2: word2". 
Option: Chemical 
Text: {0} 
 Entities: phorbol ester 
Answer:
 Chemical: phorbol ester