Adverse drug reactions are appreciably harmful or unpleasant reactions resulting from an intervention related to the use of medical products, which predicts hazard from future administration and warrants prevention or specific treatment, or alteration of the dosage regimen, or withdrawal of the product. Given medical case reports extracted from MEDLINE, the task is to classify whether the case report mentions the presence of any adverse drug reaction. Classify your answers into non-adverse drug event and adverse drug event.

Example Input: Following intravenous hydration and administration of bicarbonate, the patients' condition resolved without permanent' sequelae.
Example Output: non-adverse drug event

Example Input: Sensorineural hearing loss due to quinine therapy for malaria has frequently been mentioned in the literature but has not been a subject of research during the last decades.
Example Output: adverse drug event

Example Input: METHODS: A 55-year-old woman became stuporous after overdose with lamotrigine (LTG) and valproic acid (VPA) tablets.
Example Output:
adverse drug event