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: The following metals can be determined by complexometric or chelometric titration:
Options: <1> All without exception. <2> All except transition metals. <3> All except lithium, sodium and potassium. <4> All except alkaline earth metals. <5> All except gold and silver.
Example Output: 3

Example Input: Question: How many DNA molecules does a diploid cell contain 2n = 46 during the G2 phase ?:
Options: <1> 92 <2> 2. 3. <3> 46 <4> 44 <5> twenty-one.
Example Output: 1

Example Input: Question: The glomerulonephritis syndrome occurs with:
Options: <1> Oliguria and hematuria. <2> Polyuria and dehydration. <3> Loss of sodium in the urine. <4> Thrombosis and infections. <5> Loss of glucose in the urine.
Example Output:
1