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.

Input: Consider Input: Question: Reactions that use copper (I) salts as reagents to replace the nitrogen in the diazonium salts are called reactions of: 
 Options:  <0> Sandmeyer <1> Chichibabin <2> Peterson. <3> Gabriel. <4> Diels-Alder.

Output: chemistry


Input: Consider Input: Question: Question linked to image nº11 49-year-old patient without a history of interest. He reports a 2-week history of diffuse abdominal pain independent of ingestion and deposition and accompanied by occasional vomiting, malaise and profuse sweating. Analytical: Hb 12 gr / dL. Leucocytes 10x10 ^ 9 / L (Neutrophil 80%, Lymphocytes 15%, Monocytes 3%, Eosinophils 1%). Platelets 270x10 ^ 9 / L. Glucose 100 mg / dL, Urea 80 mg / dL, Creatinine 1.5 mg / dL, A. Uric 12 mg / dL, LDH 7800 IU / L; GOT, GPT and normal alkaline phosphatase. CT: Large mass (16cm) in retroperitoneum infiltrating pancreas, small bowel loops and right kidney. The biopsy is the one shown in the image. Immunohistochemistry: CD20 (+) CD3 (-) bcl 2 (-), CD10 +, bcl 6 (+), P53 (-), TDT (-) Mib1 (proliferation index) 100%. Genetics: rearrangement of 8q24, c-myc gene. Which is the diagnosis? 
 Options:  <0> Diffuse B-cell large lymphoma. <1> Lymphocytic lymphoma <2> Follicular lymphoma 3b. <3> T-cell lymphoma of the intestinal type. <4> Burkitt lymphoma.

Output: medicine


Input: Consider Input: Question: They join the epithelial cells to each other: 
 Options:  <0> Cadherins. <1> Integrins <2> Fibronectins. <3> Elastins. <4> Laminins


Output: biology