2304
In comparison to control , E and ED1 - ED4 showed highly significant analgesic and antiinflammatory activities ( p < 0 . 001 ) .
 Chemical: E
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: Disease, Chemical 
Text: {0} 
Answer:
 Chemical: E