1235
Reversible valproic acid - induced dementia was documented in a 21-year - old man with epilepsy who had a 3-year history of insidious progressive decline in global cognitive abilities documented by serial neuropsychological studies .
 dementia, valproic acid
Please list all entity pairs containing a certain relationship in the given options.Output format is "word1, word2; word3, word4". 
Option: adverse effect 
Text: {0} 
Answer:
 dementia, valproic acid