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.

Q: Question: The micro RNA (miRNA): 
 Options:  <0> They are coding RNAs. <1> They inhibit transcription. <2> They inhibit the translation. <3> Activate transcription. <4> Activate the translation.

A: chemistry
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Q: Question: The DNA Girasa is: 
 Options:  <0> A eukaryotic Topoisomerase I. <1> A eukaryotic Topoisomerase II <2> A prokaryotic Topoisomerase I <3> A prokaryotic Topoisomerase II. <4> A prokaryotic Helicasa.

A: chemistry
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Q: Question: A 36-year-old patient who came to the emergency room for pain and swelling in the epiphyseal region of the right tibia. The radiographic image is lytic, eccentric and insufflates the cortex. In which tumor lesion will one have to think as more probable? 
 Options:  <0> Osteosarcoma. <1> Tumor of giant cells. <2> Encondroma. <3> Osteoid osteoid <4> Chondrosarcoma.

A:
medicine
****