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: They are reservoirs of Q fever (Coxiella burnetti):
Options: <1> Bats <2> Poultry. <3> Rodents <4> Dogs. <5> Cows, sheep and goats.
Example Output: 5

Example Input: Question: To detect the occurrence of prerenal acute renal failure in a patient, the nurse should monitor the presence of:
Options: <1> Signs of low cardiac output. <2> Hematuria <3> Urine cloudy and smelly. <4> Colic pain <5> Elevation of creatinine clearance.
Example Output: 1

Example Input: Question: Given the suspicion of hypertrophic pyloric stenosis, how would you start the complementary exams?
Options: <1> Digestive transit. <2> Gastric pHmetry <3> Simple radiology <4> Ultrasound <5> Isotopic study
Example Output:
4