5321
This study focused on the modulation of the inflammatory immune response to influenza by Delta ( 9 ) - THC and the role of CB ( 1 ) and / or CB ( 2 ) as receptor targets for Delta ( 9 ) - THC .
 Chemical: Delta ( 9 ) - THC; 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; Chemical: Delta ( 9 ) - THC