1817
After exposure to nano - WC , the peak amplitudes , overshoots and the V - thresholds of action potentials ( APs ) were markedly reduced .
 Chemical: WC
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: WC 
Answer:
 Chemical: WC