4873
Western blot analysis revealed that pilocarpine and physostigmine enhanced the TNF - alpha - induced phosphorylation of ERK1 / 2 and p38 MAPK and the degradation of I kappa B alpha .
 Chemical: pilocarpine; Chemical: physostigmine
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: pilocarpine, physostigmine 
Answer:
 Chemical: pilocarpine; Chemical: physostigmine