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: If metallic copper is added to a solution of iron (III) chloride, it produces: 
 Options:  <1> A precipitate of copper (II) chloride. <2> A solution of copper (II) chloride and iron (II) chloride. <3> A precipitate of iron (II) chloride. <4> A precipitate of metallic iron. <5> A solution of copper (I) chloride and iron (II) chloride.

Output: 2


Input: Consider Input: Question: What dose should you administer orally every 12 hours of a drug whose plasma clearance is equal to 1 L / h if you want to reach an average concentration of 10mg / L equilibrium? Assume complete bioavailability (F = 1): 
 Options:  <1> 120 mg. <2> 12 mg. <3> 200 mg. <4> 10 mg. <5> With this information it is not possible to estimate the dose necessary to reach this equilibrium concentration.

Output: 1


Input: Consider Input: Question: The glucocorticoids: 
 Options:  <1> Increase ACTH levels. <2> They stimulate the secretion of CRH. <3> They are anti-inflammatory. <4> They are hypoglycemic. <5> Increase immune responses.


Output: 3