24702
DHEA was subsequently also found to bind to TrkB and TrkC with high affinity , though it only activated TrkC not TrkB .
 location: TrkC
Given options, please tell me the categories of all the listed entity words.Output format is "type1: word1; type2: word2". 
Option: location, person, organization 
Text: {0} 
 Entities: TrkC 
Answer:
 location: TrkC