8765
EPS and Se - EPS treatments increased macrophage phagocytosis , spleen and thymus indices and haemolytic complement activity ( HC ( 50 ) ) .
 Chemical: Se
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: Se