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The analytical method involves saponification with methanolic potassium hydroxide , extraction with cyclohexane , and determination by high - performance liquid chromatography .
 Chemical: methanolic potassium hydroxide; Chemical: cyclohexane
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: methanolic potassium hydroxide, cyclohexane 
Answer:
 Chemical: methanolic potassium hydroxide; Chemical: cyclohexane