1053
In SE survivors , similar stimulation resulted in a population spike followed , at a variable latency , by negative DC shifts and repetitive afterdischarges of 3 - 60 s duration , which were blocked by ionotropic glutamate receptor antagonists .
 Disease: SE; Chemical: glutamate
Given options, please tell me the categories of all the listed entity words.Output format is "type1: word1; type2: word2". 
Option: Disease, Chemical 
Text: {0} 
 Entities: SE, glutamate 
Answer:
 Disease: SE; Chemical: glutamate