27091
APV blocked NMDA effects on delta subunit expression .
 Chemical: APV; Chemical: NMDA
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: APV, NMDA 
Answer:
 Chemical: APV; Chemical: NMDA