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: 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.
Example Output: 4

Example Input: Question: One of the signs that can appear in the postoperative period is tympanism, which means:
Options: <1> Paralysis of intestinal peristalsis. <2> Tympanic perforation due to increased pressure. <3> Evisceration <4> Retention of gases in the intestine. <5> Severe abdominal pain.
Example Output: 4

Example Input: Question: D-glyceraldehyde and dihydroxyacetone:
Options: <1> They present an asymmetric carbon. <2> They are aldosas. <3> They are enantiomers. <4> They present optical activity. <5> They have the same formula.
Example Output:
5