Task: Text Categorization
Input (English): 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 (English): medicine