5322
C57Bl / 6 ( wild type ) and CB ( 1 ) ( - / - ) CB ( 2 ) ( - / - ) mice were administered Delta ( 9 ) - THC ( 75 mg / kg ) surrounding the intranasal instillation of A / PR / 8 / 34 influenza virus .
 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