You will be given a definition of a task first, then some input of the task.
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: We want to know if coffee consumption can be associated with neonatal malformation, so a control case study is designed. We interview a group of women who have had children with malformations and the same in a group of mothers without children with malformations. The interviews will be conducted by two interviewers trained through a previously validated questionnaire. In addition, interviewers ignore whether the interviewee is a case or a control. What kind of bias can we introduce? 
 Options:  <0> Information bias <1> Memory bias <2> Interviewer bias <3> Selection bias <4> Ecological fallacy
Output:
medicine