21882
An electrochemical method was developed to measure the enzymatic activity of alcohol dehydrogenase ( ADH ) by monitoring the amount of reduced nicotinamide adenine dinucleotide ( NADH ) generated in the catalysed oxidation of ethanol by ADH .
 Chemical: alcohol; Chemical: reduced nicotinamide adenine dinucleotide; Chemical: NADH; Chemical: ethanol
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: alcohol, reduced nicotinamide adenine dinucleotide, NADH, ethanol 
Answer:
 Chemical: alcohol; Chemical: reduced nicotinamide adenine dinucleotide; Chemical: NADH; Chemical: ethanol