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.

Question: With what aspect does the difficulty of the elderly relate to solve new problems ?:
Options: <0> Creativity. <1> Motivation. <2> Verbal fluency. <3> Memory. <4> Response time.
nursery

Question: What simple reinforcement programs produce a more stable response pattern ?:
Options: <0> Those of fixed ratio. <1> Those of variable reason. <2> Those of fixed interval. <3> Those of variable interval. <4> All reinforcement programs produce similar response rates.
psychology

Question: In which of these patients would the appropriate surgical treatment be the performance of an atypical wedge gastrectomy by laparoscopy without extended lymphadenectomy?
Options: <0> Infiltrating and ulcerated gastric adenocarcinoma at the antro-pylorus level. <1> Subcardial infiltrating gastric adenocarcinoma. <2> Gastrointestinal stromal tumor at the level of the gastric body-greater curvature. <3> Lymphoma MALT. <4> Barrett's esophagus with intestinal metaplasia and dysplasia.
medicine