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 main mediators of the antibody-dependent cellular cytotoxicdiad are: 
 Options:  <0> The eosinophils. <1> The NK lymphocytes. <2> The mast cells <3> The neutrophils. <4> The CD8 + lymphocytes.

A: biology
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Q: Question: A 70-year-old man presented with progressive dyspnea and a non-productive cough several years old. In chest X-ray, pleural plaques are seen in the mediastinal and diaphragmatic pleura. On CT, these plaques are confirmed, also appreciating the presence of reticulonodulillar involvement predominantly in lower fields. Among the following, what attitude would you recommend in the first place? 
 Options:  <0> Complete your smoking history. <1> Inquire about occupational exposure. <2> Request blood tests to rule out eosinophilia. <3> Do complete respiratory functional tests. <4> Propose a transbronchial biopsy.

A: medicine
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Q: Question: The antitumor agent cis-platinum: 
 Options:  <0> It is a flat square complex of Pt (II) with 2 molecules of ammonia and 2 chloride anions located in cis. <1> It is a flat square complex of Pt (IV) with 2 molecules of ammonia and 2 chloride anions located in cis. <2> It is an octahedral complex of Pt (IV) with 2 molecules of ammonia in cis and 4 chloride anions in the other positions. <3> It is an octahedral complex of Pt (II) with 2 chloride anions in cis and 4 ammonia molecules in the other positions. <4> It is an alkene with two Pt atoms in the two cis positions with respect to the double bond.

A:
chemistry
****