16884
In this study , the avoidance response of Lumbricus terrestris was quantified in chlorpyrifos - spiked soils , depending on the pesticide concentration and exposure duration .
 Chemical: chlorpyrifos
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: chlorpyrifos