2245
n - BP use is known to unintentionally activate a subset of innate T cells called V gamma 9V delta 2 T cells , but the consequence of this chronic immune stimulation has remained unexplored .
 Chemical: n - BP
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: n - BP 
Answer:
 Chemical: n - BP