10073
The sequential administration of DMBA and TPA leads to the appearance of a large number of benign papillomas , of which some convert later into invasive squamous cell carcinomas ( SCC ) .
 Chemical: DMBA; Chemical: TPA
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: DMBA, TPA 
Answer:
 Chemical: DMBA; Chemical: TPA