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: Consider Input: Question: According to the phenomenon of social facilitation when a person develops a task poorly learned in the presence of others, the execution of said task: 
 Options:  <1> It improves slightly. <2> It improves substantively. <3> It does not change. <4> Gets worse. <5> It is not predictable.

Output: 4


Input: Consider Input: Question: Acetylation of histones affects transcription: 
 Options:  <1> Blocking the incorporation of other components of the transcription machinery. <2> Preventing the remodeling of chromatin. <3> Facilitating the action of helicases. <4> Decreasing sensitivity to nuclear receptors. <5> Reducing the affinity of histones for DNA.

Output: 5


Input: Consider Input: Question: Which of the following pharmacokinetic characteristics of aminoglycoside antibiotics is not correct: 
 Options:  <1> They are not absorbed practically in the gastrointestinal tract of normal patients. <2> They are absorbed in patients with severe renal insufficiency. <3> They have a very slow distribution phase. <4> They are not metabolized. <5> They present a second phase of very slow elimination.


Output: 3