8003
With this review , we provide a comprehensive overview of the numerous in vivo animal studies on the antineoplastic potential of both natural and synthetic members of this flavonoid subclass ( covering : up to mid - 2011 ) .
 Chemical: flavonoid
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: flavonoid