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: Point out the correct answer regarding therapy for Rehm's depression:
Options: <1> It focuses on three processes: self-tracking, self-esteem and self-reinforcement. <2> It has no empirical evidence to be considered well-established treatment. <3> Each of its components separately have been shown to be as effective as the complete treatment. <4> It presents a strong cognitive component. <5> It has been shown superior to interpersonal therapy and problem solving.

Ex Output:
3

Ex Input:
Question: Transketolase catalyzes the transformation of ribose-5-phosphate and xylulose-5-phosphate into:
Options: <1> Two molecules of ribulose-5-phosphate. <2> Sedoheptulose-7-phosphate and glyceraldehyde-3-phosphate. <3> Fructose-6-phosphate and erythrose-4-phosphate. <4> Glyceraldehyde-3-phosphate and glucose-6-phosphate. <5> 6-Phosphogluconate and glyceraldehyde-3-phosphate.

Ex Output:
2

Ex Input:
Question: Ms. X is a 76-year-old patient who has suffered several falls in recent years with fractures in both arms. The diagnosis by image denotes the evidence of osteoporosis and the traumatologist decides to start a treatment with teriparatide. We must consider that:
Options: <1> Teriparatide is an analogue of vitamin D. <2> It is administered in a daily dose subcutaneously. <3> It is administered only intravenously. <4> Acts as a receptor agonist to vitamin D3. <5> It does not favor the increase of bone mass.

Ex Output:
2