4083
Experimental exposure of red - legged partridges ( Alectoris rufa ) to seeds coated with imidacloprid , thiram and difenoconazole .
 Chemical: imidacloprid; Chemical: thiram; Chemical: difenoconazole
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: imidacloprid; Chemical: thiram; Chemical: difenoconazole