7700
Furthermore , most studies had very low effect sizes in comparison to fish - based bioassays for steroids ( i . e . they had a very weak ' signal - to - noise ' ratio ) .
 Chemical: steroids
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: steroids 
Answer:
 Chemical: steroids