4075
As regulations on older pesticides become more stringent , production and application of fipronil is expected to grow , leading to increased inputs into aquatic environments and complex exposures to biota .
 Chemical: fipronil
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: fipronil 
Answer:
 Chemical: fipronil