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: With regard to pyrogens and biotechnological medicines, it is possible to say: 
 Options:  <1> They have no tendency to aggregate or form large units with high molecular weight. <2> Ion exchange chromatography procedures (using their positive charge) can reduce endotoxin levels. <3> Ion exchange chromatography procedures (using their negative charge) can reduce endotoxin levels. <4> Ion exchange chromatography procedures (regardless of their charge) can reduce endotoxin levels. <5> They are unstable under standard autoclaving conditions.

Ex Output:
3


Ex Input:
Question: When you value the oncological patient, in which Functional Pattern of M. Gordon is included the Barthel Index ?: 
 Options:  <1> Cognitive-Perceptual. <2> Activity-Exercise. <3> Perception-Health Management. <4> Nutritional-Metabolic. <5> Self-perception-Self-concept

Ex Output:
2


Ex Input:
Question: Ciprofloxacin is an example of an antibacterial quinolone. What substituent does it carry over the nitrogen in position 1? 
 Options:  <1> Cyclopropyl. <2> Acetyl. <3> Phenyl. <4> It is unsubstituted. <5> Hydroxyl

Ex Output:

1