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.
One example: Question: A distension is defined as:
Options: <0> Soft tissue injury. <1> Forced movement of abrupt production. <2> Injury by stretching a muscle. <3> Injury of the joint capsule. <4> Interruption in the continuity of a bone.
Solution is here: nursery
Explanation: Distension means Bloating and swelling in the belly area. It does not have much to do with chemistry, psychology, pharmacology, biology and medicine. Hence, the correct topic is nursery.

Now, solve this: Question: Affective lability is characterized because:
Options: <0> Rapid changes in emotion occur and the person has difficulty controlling their emotions. <1> There is an elevation of the attentional affective threshold for negative stimuli. <2> There is a general feeling of being very well, very happy, although there are no causes that justify that state of mind. <3> The mood is predominantly downcast, pessimistic, sad. <4> There is an affective narrowing that restricts the emotional life.
Solution:
psychology