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'.

[EX Q]: Question: The process of bacterial sporulation occurs: 
 Options:  <1> Both Gram positive and Gram negative bacteria. <2> After the depletion of certain essential nutrients. <3> When unfavorable environmental factors such as UV light or heat appear. <4> During the exponential growth. <5> By budding of a stem cell.
[EX A]: 2

[EX Q]: Question: Esters can be obtained from carboxylic acids and alcohols, by applying the Fischer esterification reaction in which: 
 Options:  <1> A base is used as a catalyst. <2> A ketone is used as the solvent. <3> A reducing reagent is used. <4> An oxidizing agent is used. <5> Acid catalysis is used.
[EX A]: 5

[EX Q]: Question: A 76-year-old man consulted for cognitive deterioration, slowness and awkwardness of movements, of eight months of evolution. The family reported that the patient had visual hallucinations, so his Primary Care physician prescribed low doses of risperidone, with a significant worsening of motor status. In view of these data, what is the most likely diagnosis? 
 Options:  <1> Alzheimer disease. <2> Dementia due to Lewy bodies. <3> Frontotemporal dementia. <4> Vascular dementia <5> Occasional Creutzfeldt-Jakob disease.
[EX A]:
2