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: 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

[EX Q]: Question: Which of the following statements is correct regarding the epidemiology of mood disorders ?: 
 Options:  <0> Bipolar disorders account for 25-30% of all mood disorders. <1> The average duration of a depressive episode is usually about 2-3 months. <2> The percentage of relapses of depression throughout life is estimated at 75%. <3> The risk of suicide in depressive disorder is greater than bipolar disorder. <4> 50% or more of the history of bipolar disorder is found in the families of patients with depression.
[EX A]: psychology

[EX Q]: Question: A carnitine deficiency is associated with: 
 Options:  <0> The inhibition of the mitochondrial respiratory chain. <1> The inhibition of protein catabolism. <2> An increase in renal protein catabolism. <3> A failure in the entry of muscle fatty acids into the mitochondria for oxidation. <4> A decrease in hepatic lipogenesis.
[EX A]:
pharmacology