Definition: In this task, you are given a multiple-choice question about healthcare. Answer the question based on your information and classify your answers into '1', '2', '3', and '4'.
Input: Question: A 25-year-old woman admitted to the hospital with pale skin, fatigue and malaise. It has slightly decreased values of mean corpuscular volume and hemoglobin, 70 g / dl, 50 g / dl ferritin, and a significant increase in the HbA2 fraction with normal HbF in hemoglobin electrophoresis. With these data it can be:
Options: <1> Iron-deficiency anemia <2> Anemia of chronic processes. <3> Polycythemia Vera. <4> Beta Thalassemia Minor. <5> Chronic myeloid leukemia
Output:
4