TASK DEFINITION: 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.
PROBLEM: Question: Observe that the liquids coming from the synthesis of chloroquine had an antibacterial activity gave rise to the discovery of the quinolones. This group of antibiotics has various characteristics such as: 
 Options:  <0> Fluoroquinolones have a smaller spectrum of activity than first-generation quinolones. <1> The second generation quinolones are very effective against anaerobes. <2> Fluoroquinolones are not effective against enterobacteria. <3> Fluoroquinolones are effective against Gram-positive but less than Gram-negative. <4> The third and fourth generation fluoroquinolones are not effective against streptococci or staphylococci.

SOLUTION: pharmacology

PROBLEM: Question: Isopropyl alcohol is prepared from petroleum by hydration of: 
 Options:  <0> Isobutene <1> Eteno <2> Penteno <3> Buteno. <4> Propene

SOLUTION: chemistry

PROBLEM: Question: Which of the following is currently the only contraindication for conservative surgical treatment in breast cancer? 
 Options:  <0> Prior radiotherapy. <1> Tumor of 4 cm. <2> Axillary metastasis. <3> Multifocal tumor <4> Pregnancy of 32 weeks.

SOLUTION:
medicine