23743
The study suggested a promising anticancer activity of resveratrol , calorie - restriction pathway may be one of the driving forces for this activity .
 Chemical: resveratrol
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: resveratrol 
Answer:
 Chemical: resveratrol