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.
Q: Question: What feature or dimension of attention is most relevant when the child looks for a red paint in his school case full of other colors?
Options: <0> Orientation. <1> Flexibility. <2> Concentration. <3> Alert. <4> Persistence.
A:
psychology