15403
Selenium supplementation of gestating beef cows benefited cows and calves by increasing WBSe and GSH - Px .
 Chemical: Selenium; Chemical: GSH
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: Selenium, GSH 
Answer:
 Chemical: Selenium; Chemical: GSH