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: Which of the following covalent bonds does not appear in proteins ?: 
 Options:  <1> Phosphodiester linkage. <2> Amide link. <3> O-glucosidic bond. <4> Disulfide bond. <5> Hydrogen bond.

SOLUTION: 1

PROBLEM: Question: What cognitive technique is used in Rational Emotive Behavior therapy to help people who have intellectual difficulties? 
 Options:  <1> Reduction to the absurd. <2> Cognitive distraction <3> Training in social skills. <4> Rational-emotive imagination. <5> Training in self-instructions.

SOLUTION: 5

PROBLEM: Question: What is the main risk factor in the appearance of ischemic or hemorrhagic ICTUS? 
 Options:  <1> Cardiopathy <2> Mellitus diabetes. <3> Hyperlipidemia <4> Arterial hypertension. <5> Obesity.

SOLUTION:
4