23011
Thus , in the present study , anti - cancer mechanism of ginkgetin was elucidated in human prostate cancer PC - 3 cells .
 Chemical: ginkgetin
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: ginkgetin 
Answer:
 Chemical: ginkgetin