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'.

Example Input: Question: Which of the following pairings between anticoagulant drug and mechanism of action is INCORRECT?
Options: <1> Heparin - cofactor of antithrombin III. <2> Acenocoumarol - inhibits vitamin K epoxide reductase. <3> Dabigatran - inhibits thrombin. <4> Rivaroxaban - inhibits factor Xa. <5> Warfarin - inhibits the absorption of vitamin K.
Example Output: 5

Example Input: Question: Which of the following moments of the electrocardiogram corresponds to the depolarization stage of the ventricular myocardium ?:
Options: <1> Onda P. <2> Onda T. <3> Segment T-P. <4> Segment P-Q. <5> QRS wave.
Example Output: 5

Example Input: Question: Question linked to image no. 9 A 64-year-old patient complains of easy fatigability after a few months of evolution and loss of appetite, although she has not observed any weight loss. We are struck by the facies that it presents when we observe it (see image). Before proceeding with the interrogation and the clinical examination, we come up with a diagnostic hypothesis. Which of the following analytical tests do you think would guide us best in our diagnostic suspicion?
Options: <1> TSH <2> CK <3> Hemogram, iron, ferritin. <4> Proteinuria <5> ANA.
Example Output:
1