9793
In this case , unlike those previously reported , hyponatremia recurred 5 months after switching from citalopram to mirtazapine , which is believed to be a safe antidepressant .
 adverse effect: hyponatremia, citalopram; adverse effect: hyponatremia, mirtazapine
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:  hyponatremia, citalopram; hyponatremia, mirtazapine 
Answer:
 adverse effect: hyponatremia, citalopram; adverse effect: hyponatremia, mirtazapine