TASK DEFINITION: In this task, you are given a question and answer options for that question. Using this information, you have to classify each text into different topics: medicine, nursery, psychology, chemistry, pharmacology, biology.
PROBLEM: Question: The dye-test (Sanbin-Feldman test) is the reference method for the diagnosis of: 
 Options:  <0> Cryptosporidiosis. <1> Sarcocystosis <2> Malaria. <3> Toxoplasmosis <4> Cyclosporosis

SOLUTION: pharmacology

PROBLEM: Question: In mass spectrometry, the most common fragmentation pattern is the break in α, which cleaves the alkyl bond adjacent to the carbonyl to give: 
 Options:  <0> The corresponding acyl cation and an alkyl radical. <1> The corresponding acyl anion and an alkyl radical. <2> The corresponding acyl radical and an alkyl radical. <3> The corresponding acyl cation and an alkyl cation. <4> The corresponding acyl anion and an alkyl anion.

SOLUTION: chemistry

PROBLEM: Question: A 70-year-old man presents, for a few months, without previous trauma, lumbar pain, difficulty walking, loss of strength and paresthesias in lower limbs, having to stop a few meters after starting it. The patient is increasingly inclining the trunk forward. What is the most likely diagnosis? 
 Options:  <0> Osteoporotic lumbar vertebral fracture. <1> Central herniated disc L5-S1. <2> Spondylodiscitis. <3> Stenosis of the lumbar canal. <4> Degenerative lumbar scoliosis.

SOLUTION:
medicine