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: In the pharmacological treatment of hallucinations and delusions, what is the correct answer? 
 Options:  <1> Between 30-50% of people with psychosis treated with antipsychotics continue to experience difficulties derived from clinical symptoms. <2> Antipsychotics act on the positive symptoms of psychosis, but mainly eliminate the negative symptoms. <3> The extrapyramidal side effects they cause are intractable. <4> When an antipsychotic does not improve symptoms, changing the treatment is not advisable. <5> It is advisable not to combine it with psychological treatment until the psychotic symptoms have disappeared.
Example Output: 1

Example Input: Question: Liquid chromatography using linked stationary phases can be divided into normal phase and reverse phase phases. In this context it can be said that: 
 Options:  <1> The main separation mechanism in reverse phase is the distribution, while adsorption also plays a very important role in the normal phase. <2> In normal phase chromatography, a large number of non-polar stationary phases can be used. <3> The main separation mechanism in normal phase is the distribution, while the adsorption plays a very important role in the reverse phase. <4> In reverse phase chromatography, the stationary phase is polar and the non-polar eluents. <5> In reverse phase chromatography, a large number of polar stationary phases can be used.
Example Output: 1

Example Input: Question: A patient diagnosed with angina will NOT recommend: 
 Options:  <1> Alternating activity with periods of rest. <2> Take oral nitroglycerin in the morning. <3> Avoid extreme cold. <4> Follow a diet rich in fiber. <5> Leave the tobacco.
Example Output:
2