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.

[EX Q]: Question: The main method for the preparation of βceto esters is the reaction known as: 
 Options:  <0> Malonic synthesis <1> Acetoacetic synthesis. <2> Condensing of Claisen. <3> Perkin reaction. <4> Hofmann reaction.
[EX A]: pharmacology

[EX Q]: Question: Among the competences to be developed by the mental health nurse within the multidisciplinary team is: 
 Options:  <0> Collaborate in the formulation of the medical diagnosis of the mental disorder. <1> Perform, exceptionally, research and innovation activities. <2> Promote, in the shortest possible time, the institutionalization of the patient. <3> Intervene in the promotion and prevention of mental health. <4> Practice an experiential nursing based on the observation of the signs and symptoms of mental illness.
[EX A]: nursery

[EX Q]: Question: In a hospitalization unit, 15% of elderly people with dementia enter the year, most of them in very advanced stages. Pain is a frequent symptom in this type of patients. Point out the correct answer in patients with very advanced dementia: 
 Options:  <0> Untreated pain may manifest by agitation. <1> The Analog Visual Scale is the most appropriate for the assessment of pain due to its simplicity. <2> One-dimensional subjective scales are those recommended by experts to assess pain. <3> There are no specifically available scales designed to assess pain. <4> The administration of opioids for pain control is discouraged.
[EX A]:
nursery