instruction:
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.
question:
Question: A study is carried out to investigate the association between factor X and disease Z. To do this, 120 subjects with the disease and 420 controls (without the disease) are matched by age and sex. In both groups it is found that 20 subjects were exposed to factor X. What is the odds ratio (OR) between factor X and disease Z? 
 Options:  <0> OR = 1 (no association). <1> OR = 2. <2> OR = 4 <3> OR = 6 <4> OR = 8
answer:
medicine


question:
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.
answer:
pharmacology


question:
Question: The game is one of the strategies used by the nurse in caring for children aged 2 years. Point out which of the following is favorable to the understanding of the disease process and therapy: 
 Options:  <0> Ride <1> Variations of cu-cu or hiding place. <2> Body silhouettes to paint or dolls to point. <3> Consoles of electronic games. <4> Cell phone.
answer:

nursery