7785
Repeated dose exposures of limonene or limonene + ozone were conducted on MucilAir (TM) tissue .
 Chemical: limonene; Chemical: limonene; Chemical: ozone
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: limonene, limonene, ozone 
Answer:
 Chemical: limonene; Chemical: limonene; Chemical: ozone