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.

Ex Input:
A toxic encephalopathy characterized by depressed level of consciousness, marked irritability, and ataxia developed in seven children, 5 years of age and younger, following administration of an antiemetic combination of pentobarbital and pyrilamine maleate.

Ex Output:
adverse drug event


Ex Input:
There were four females, 20 males, with 19 patients under the age of 18 years and five over the age of 18.

Ex Output:
non-adverse drug event


Ex Input:
We report on a case associated with atenolol.

Ex Output:

non-adverse drug event