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.

Input: Consider Input: Question: Within the perceptual distortions we can find: 
 Options:  <0> Hallucinations <1> The metamorphopsias. <2> The eidetic images. <3> Autoscopy (or double phenomena). <4> The parasitic images.

Output: psychology


Input: Consider Input: Question: Point out the correct statement: 
 Options:  <0> At low pO2, myoglobin is more saturated with O2 than hemoglobin. <1> CO2 increases the affinity of hemoglobin for O2. <2> 2,3 Bisphosphoglycerate is strongly bound in oxygenated hemoglobin. <3> The tissues that produce lactate release more O 2. <4> At high pO2, hemoglobin has 2 subunits.

Output: chemistry


Input: Consider Input: Question: In what type of reaction does the cytochrome P-450 of the liver typically intervene? 
 Options:  <0> Hydration. <1> Reduction. <2> Hydrolysis. <3> Esterification <4> Hydroxylation


Output: chemistry