Teacher: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.
Teacher: Now, understand the problem? Solve this instance: Question: 54-year-old man who comes to review in his company. A body mass index of 32.8 kg / m2 and fasting blood glucose of 138 mg / L are detected. One month later, glycemia 130 mg / dL. What therapeutic recommendation would you make in the first place? 
 Options:  <0> Administration of metformin. <1> Prescribe a sulfonylurea. <2> Behavioral changes: Diet and physical exercise. <3> Insulin before each meal. <4> Take acarbose at night, before going to bed.
Student:
medicine