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: Delusions are characteristic symptoms of schizophrenia that: 
 Options:  <1> They include alterations in sensoperception. <2> They involve psychomotor hallucinations. <3> They represent a false belief based on a mistaken interpretation of reality by the patient. <4> They consist of an inability of the individual to adapt to social norms. <5> They are equated with illusions.
Example Output: 3

Example Input: Question: The Merkel cells are: 
 Options:  <1> Secretors of neuropeptides and sensory. <2> Secretors of mucus. <3> Migratory <4> From Schwann. <5> Fibroblasts.
Example Output: 1

Example Input: Question: Inhibitors of hydroxymethyl-glutaryl-CoA reductase (HMG-CoA reductase), such as statins: 
 Options:  <1> They increase intracellular cholesterol synthesis. <2> They cause a decrease in the number of LDL receptors present on the surface of hepatocytes. <3> They decrease the intracellular synthesis of triacylglycerides. <4> They diminish intracellular cholesterol synthesis and induce the expression of LDL receptors. <5> They increase the synthesis of steroid hormones.
Example Output:
4