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: Reva Rubin identifies maternal behavior after delivery in three stages:
Options: <1> Acceptance, Support and Abandonment. <2> Acceptance, Denial and Encounter. <3> Denial, Affirmation and Dependency. <4> Affirmation, Affirmation and Support. <5> Coping, Dependence and Help.
Example Output: 1

Example Input: Question: What kind of validity does the degree of confidence refer to, with which it can be inferred that the cause-effect relationships between the variables of an investigation are interpretable in the sense suggested by the researcher?
Options: <1> Internal validity <2> External validity <3> Discriminant validity <4> Ecological validity <5> Construct validity
Example Output: 1

Example Input: Question: A 54-year-old patient with an alcoholic intake of 110 g / day, admitted due to chronic diarrhea and the appearance of muscle cramps in recent days. In the analytical one, glucose stands out 320 mg / dL, Urea 25 mg / dL, Creatinine 0.75 mg / dL, Potassium 2.5 mmol / L (3.5-5.1), Calcium 2.0 mmol / L (2 , 2-2.5), Phosphorus 0.52 mmol / L (0.87-1.55) Magnesium 0.25 mmol / L (0.66-0.99) and Albumin of 28 g / L (3552) With what would initiate the treatment?
Options: <1> Insulin. <2> Potassium. <3> Calcium. <4> Match. <5> Magnesium.
Example Output:
5