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: An increase in blood pressure between 80 and 150 mmHg increases diuresis because:
Options: <1> The glomerular filtration increases exponentially. <2> Decreases the peritubular reabsorption of water. <3> The efferent arteriole contracts. <4> Proportionally increases renal blood flow. <5> The afferent arteriole contracts.
Example Output: 2

Example Input: Question: The following may occur in multimeric form associated with the J chain:
Options: <1> IgA and IgG. <2> IgD and IgM, <3> IdE and IgD. <4> IgA and IgD. <5> IgA and IgM.
Example Output: 5

Example Input: Question: The triple point of water is at 273.16 K and 611 Pascals:
Options: <1> In no other combination of pressure and temperature it is possible to find the three phases of water in equilibrium. <2> Under these conditions, liquid and vapor become indistinguishable. <3> The sublimation process occurs at a pressure greater than 611 pascals. <4> It is not possible to find steam above 611 Pascals. <5> It is not possible to find water in solid state below 273.16 K.
Example Output:
1