20424
HF plus ethanol decreased pSer ( 108 ) AMPK beta , yet a marked 1 . 5 - fold increase in pThr ( 172 ) AMPK alpha occurred .
 Chemical: ethanol; Chemical: pSer; Chemical: pThr
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: ethanol, pSer, pThr 
Answer:
 Chemical: ethanol; Chemical: pSer; Chemical: pThr