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: The polymerase chain reaction (PCR) encompasses three processes. Select sequence order: 
 Options:  <1> Extension → Fusion → Denaturation. <2> Fusion → Denaturing → Extension. <3> Denaturing → Fusion → Extension. <4> Denaturing → Extension → Fusion. <5> Extension → Denaturation → Fusion.

SOLUTION: 3

PROBLEM: Question: The reordering of Cope is a reordering: 
 Options:  <1> From an allyl vinyl ether. <2> [1,3] -sigmatropic. <3> [1,2] -sigmatropic. <4> [3,3] -sigmatropic. <5> It is a cycloaddition [4 + 2].

SOLUTION: 4

PROBLEM: Question: Indicate in what clinical situation would NOT indicate beginning interferon beta in a patient diagnosed with multiple sclerosis: 
 Options:  <1> Multiple recurring outbreaks. <2> Bad response to corticosteroids in outbreaks. <3> Having suffered a single outbreak of the disease with sequelae. <4> Be over 50 years old <5> A progressive primary clinical form.

SOLUTION:
5