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Delta ( 9 ) - THC had little effect on the expression of CD86 , major histocompatibility complex I ( MHC I ) , and MHC II by APC isolated from the lung .
 Chemical: Delta ( 9 ) - THC
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: Delta ( 9 ) - THC