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: If a sample of size 100 has a standard deviation of 10, its typical error is:
Options: <1> 10 <2> 100 <3> 0.1 <4> one. <5> There is not enough data to calculate it.

Ex Output:
4

Ex Input:
Question: In glycolysis:
Options: <1> Hexokinase catalyzes the transfer of a phosphate group to different hexoses. <2> Phosphofructokinase-1 catalyzes a reaction that provides ATP. <3> All intermediates are phosphorylated compounds of six carbons. <4> It provides ATP, but it does not use it. <5> Fructose 2,6-bisphosphate is a potent inhibitor.

Ex Output:
1

Ex Input:
Question: The value of the admitted daily intake (ADI) of a food additive can be calculated from the following previously obtained data in animals:
Options: <1> Level with no observed adverse effect (NOAEL). <2> Lower level with observed adverse effect (LOAEL). <3> Safety margin (MOS). <4> Toxic interval (IT). <5> Toxicity limit value (TLV).

Ex Output:
1