TASK DEFINITION: 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'.
PROBLEM: Question: If you want to estimate the effects of an intervention, you will use: 
 Options:  <1> A transversal design. <2> A retrospective design <3> An ecological study. <4> A randomized clinical trial. <5> An observational design with random selection of the participants.

SOLUTION: 4

PROBLEM: Question: The oppressive / tightening pain, of light to moderate intensity, of bilateral localization and that does not worsen with routine physical activity, is what occurs in: 
 Options:  <1> Pelvic pain <2> The burnout. <3> Asthma. <4> Irritable bowel syndrome. <5> Tension headache.

SOLUTION: 5

PROBLEM: Question: The 80-year-old family of F. G., who has very advanced dementia, wants to request legal incapacitation. It is known that legal incapacitation: 
 Options:  <1> It supposes the negation of the legal capacity of the person. <2> It aims to protect the person from potential abuse. <3> It limits the capacity to act and the legal capacity of the person. <4> It can be decreed by the doctor responsible for the patient. <5> It can not be requested by the patient's relatives.

SOLUTION:
2