30225
CONCLUSION : PF - W activates the ghrelin receptor , and naringin and naringenin are key constituents responsible for the activation of ghrelin receptor .
 Chemical: naringin; Chemical: naringenin
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: naringin, naringenin 
Answer:
 Chemical: naringin; Chemical: naringenin