Instructions: In this task, you are given a question and answer options for that question. Using this information, you have to classify each text into different topics: medicine, nursery, psychology, chemistry, pharmacology, biology.
Input: Question: In acute coronary syndrome with ST-segment elevation, heparin is used because:
Options: <0> It is fibrinolytic, since it destroys the thrombus. <1> It inhibits the formation of more thrombi and prevents their recurrence. <2> It inhibits platelet aggregation. <3> Restores the patency of the coronary artery immediately. <4> All the previous answers are correct.
Output:
nursery