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: Imagine that you are in the supermarket with your neighbor and notice that you have a bruise on your eye. What heuristic would be applied if it overestimates the possibility that it is due to a problem of abuse?
Options: <1> Representativeness <2> Availability / Accessibility <3> Simulation. <4> Anchoring-Adjustment. <5> False consensus.

Ex Output:
2

Ex Input:
Question: When performing a central peripheral insertion venous catheterization procedure, the nurse must take into account that:
Options: <1> The catheter is ready for use immediately after insertion, not needing further checks. <2> It is vital to perform a chest X-ray and / or an electrocardiographic record prior to its use. <3> A complete electrocardiogram should be performed in order to avoid possible complications. <4> The location of the tip of the catheter is only checked if parenteral nutrition is to be administered through it. <5> You need to check your position using a chest x-ray and another abdomen.

Ex Output:
2

Ex Input:
Question: The chemistry of diazonium salts provides the main synthetic method for preparing aryl fluorides by a process called:
Options: <1> Reorganization of Claisen. <2> Gabriel's reaction. <3> Diazotization reaction. <4> Sandmeyer reaction. <5> Schiemann reaction.

Ex Output:
5