26429
Profile hidden Markov models ( HMMs ) were used to predict the configuration of secondary alcohols and alpha - methyl branches of modular polyketides .
 Chemical: secondary alcohols; Chemical: alpha - methyl
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: secondary alcohols, alpha - methyl 
Answer:
 Chemical: secondary alcohols; Chemical: alpha - methyl