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: Tacrolimus-induced HUS: an unusual cause of acute renal failure in nephrotic syndrome.
Example Output: adverse drug event

Example Input: Endometrial "sarcomas" complicating ovarian thecoma, polycystic ovarian disease and estrogen therapy.
Example Output: non-adverse drug event

Example Input: They represented a typical picture of NE: two of them died because of septic shock; five patients had subileus with irritation of the peritoneum; and one had hepatosplenic abscesses confirmed 6 months later by post-mortem examination.
Example Output:
non-adverse drug event

