19759
Our findings provide mechanistic evidence that nutrition - derived non - essential fatty acids have chemopreventive biological activities and Exhibit 3 - D structure - activity relationships that could be exploited to develop new strategies for the prevention or treatment of prostate cancer regardless of hormone dependency .
 Chemical: fatty acids
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: Chemical 
Text: {0} 
Answer:
 Chemical: fatty acids