22435
There have been several in vivo studies performed that demonstrate the potential of hop extract and the single compound 8 - PN to alleviate climacteric symptoms like osteoporosis , vasomotoric complaints , and sexual motivation .
 Chemical: 8 - PN
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: 8 - PN 
Answer:
 Chemical: 8 - PN