17324
Proton nuclear magnetic resonance ( ( 1 ) H NMR ) spectroscopy , gas chromatography - mass spectrometry ( GC / MS ) fingerprinting and chemometrics were employed successfully for the quality control of oils and fats .
 Chemical: ( 1 ) H
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: ( 1 ) H 
Answer:
 Chemical: ( 1 ) H