10428
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 .
 adverse effect: dementia, valproic acid
Given options, please tell me the relationships of all the listed entity pairs.Output format is "relation1: word1, word2; relation2: word3, word4". 
Option: adverse effect 
Text: {0} 
 Entity Pairs:  dementia, valproic acid 
Answer:
 adverse effect: dementia, valproic acid