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'.

Ex Input:
Question: The most accurate measurement of body temperature in an unconscious patient should be obtained at: 
 Options:  <1> Oral. <2> Axillary. <3> It is indifferent. <4> Rectal. <5> Inguinal.

Ex Output:
4


Ex Input:
Question: When administering oxygen therapy to a patient admitted to the emergency room due to exacerbated COPD, you should take into account that: 
 Options:  <1> The flow of oxygen must be high, since respiratory failure is accompanied by hypoxia. <2> The concentration of oxygen is conditioned by the patient's clinical situation. <3> The concentration of oxygen must be equal to the atmospheric concentration, since the patient presents hypercapnia. <4> The flow should be low, since hypoxia is the only stimulus to breathe. <5> The flow must be adjusted to achieve a PO2 greater than 90 mmHg.

Ex Output:
4


Ex Input:
Question: Which of the following circumstances does NOT define a patient with chronic pathology? 
 Options:  <1> A 66-year-old woman diagnosed with hypertension, Crohn's disease, type 2 diabetes mellitus with diabetic retinopathy. <2> 75-year-old ex-smoker, FEV1 75%, IMC 25, creatinine 1.2, anxiety-depressive syndrome. Pfeiffer 30 and Barthel 100. <3> An 82-year-old man diagnosed with osteoarthritis, with Barthel 40, hypertension and pharmacologically controlled dyslipidemia and Alzheimer's disease. <4> A 55-year-old ex-smoker, diagnosed with symptomatic peripheral arteriopathy and ulcerative colitis. <5> A 70-year-old man with enolism, portal hypertension and immobilized at home for 5 years by ACV.

Ex Output:

2