14284
beta - Asarone regulates p15 expression by regulation of Oct - 1 binding .
 Chemical: beta - Asarone
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: beta - Asarone 
Answer:
 Chemical: beta - Asarone