TASK DEFINITION: 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.
PROBLEM: We describe a case that involves fracture of a stent deployed to nominal pressure.

SOLUTION: non-adverse drug event

PROBLEM: All patients except two had new recurrences within the observation time.

SOLUTION: non-adverse drug event

PROBLEM: SUMMARY: A 29-year-old woman sought treatment from a pulmonologist for a dry, hacking, constant cough not relieved by fast-acting inhalers or narcotic cough medications that had lasted for three weeks.

SOLUTION:
non-adverse drug event