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: A positive coagulase test is typical of: 
 Options:  <0> Staphylococcus aureus. <1> Staphylococcus epidermidis. <2> Haemophilus influenzae. <3> Neisseria meningitidis. <4> Escherichia coli
biology

Question: Indicate which of the following is an alteration of the pyrimidine metabolism: 
 Options:  <0> Thrombophilia <1> Phenylketonuria <2> Wilson's disease <3> Urine disease with the smell of maple syrup. <4> Orotic hereditary acidity.
pharmacology

Question: The alkali halides, MX: 
 Options:  <0> They are solids that melt below 100ºC. <1> They form crystals of intense colors. <2> They can be obtained by reaction of the M2CO3 carbonates with the aqueous solutions of the HX hydrogen halides. <3> None of them can be found in nature. <4> They are liquid at room temperature.

chemistry