7911
The adverse effects that appear in rodents have raised concerns about organotins ' potential health risk to humans in relation to organotin exposure .
 Chemical: organotins; Chemical: organotin
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: organotins, organotin 
Answer:
 Chemical: organotins; Chemical: organotin