Given the task definition and input, reply with output. 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'.

Question: A woman attended a consultation with bruises, mucosal hemorrhages, marked thrombocytopenia (20,000 / mm3), with a normal coagulation study, no history of drug ingestion, and an increase in megakaryocytes in bone marrow without morphological abnormalities. What is the diagnostic suspicion?
Options: <1> Primary immune thrombocytopenia. <2> Acute leukemia. <3> Hemophilia. <4> Trombasthenia of Glanzmann. <5> Purple of Schonlein-Henoch.
1