39183
The relative importance of the antioxidant and pro-oxidant activities of antioxidants is an area of current research , but vitamin C , which exerts its effects as a vitamin by oxidizing polypeptides , appears to have a mostly antioxidant action in the human body .
 person: C
Given options, please tell me the categories of all the listed entity words.Output format is "type1: word1; type2: word2". 
Option: location, person, organization 
Text: {0} 
 Entities: C 
Answer:
 person: C