Definition: 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'.
Input: Question: In the treatment of patients with Alzheimer's disease, which of the following treatment options do you consider most appropriate?
Options: <1> The initial treatment of any type of urinary incontinence with drugs such as oxybutynin is of choice due to its anticholinergic effects. <2> Treatment with acetylcholinesterase inhibitors. <3> For the treatment of associated depression prioritize the use of tricyclic antidepressants. <4> The typical neuroleptics at high doses. <5> Estrogen replacement therapy.
Output:
2