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: Anaphylactoid reaction to methylprednisolone pulsed therapy for multiple sclerosis.
Example Output: adverse drug event

Example Input: The patient had a favourable outcome.
Example Output: non-adverse drug event

Example Input: One week later, the patient was again extubated and 3 days later was transferred to a peripheral ward.
Example Output:
non-adverse drug event