4193
The patient with nitrazepam overdose and two of those with chlormethiazole intoxication conformed to the criteria of ' alpha coma ' , showing non - reactive generalized or frontally predominant alpha activity in the EEG .
 Chemical: nitrazepam; Disease: overdose; Chemical: chlormethiazole; Disease: coma
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: nitrazepam, overdose, chlormethiazole, coma 
Answer:
 Chemical: nitrazepam; Disease: overdose; Chemical: chlormethiazole; Disease: coma