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 pentose phosphate pathway produces: 
 Options:  <1> NADH and acetyl-CoA. <2> NADPH and ribose-5-phosphate. <3> NADH and ribose-5-phosphate. <4> Urea. <5> Ribulose-1,5-bisphosphate.

SOLUTION: 2

PROBLEM: Question: Graphite is a conductor because: 
 Options:  <1> The valence band has electronic vacancies. <2> The driving band has electronic vacancies. <3> Both bands have electronic vacancies. <4> The banned band is very big. <5> The band gap is zero.

SOLUTION: 5

PROBLEM: Question: The Toll-like receptors (TLRs) mainly recognize: 
 Options:  <1> Proteins <2> Superantigens. <3> Non-polymorphic histocompatibility antigens. <4> Various components of microbes. <5> Tolerógenos.

SOLUTION:
4