327
He had been taking VPA for treatment of idiopathic generalized tonic - clonic convulsions since he was 56 years old .
 Chemical: VPA; Disease: tonic - clonic convulsions
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: Disease, Chemical 
Text: {0} 
Answer:
 Chemical: VPA; Disease: tonic - clonic convulsions