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: What type of amino acid side chains will compete with saline ions for solvation water ?: 
 Options:  <0> Apolares. <1> Aliphatic <2> Aromatic <3> Polar <4> Without charge.

Output: chemistry


Input: Consider Input: Question: Why is chlorophyll green ?: 
 Options:  <0> Absorbs all wavelengths of the visible spectrum. <1> Absorbs wavelengths only from the red and ultra-red parts of the spectrum (680nm, 700nm). <2> Absorbs wavelengths in the red and blue parts of the visible spectrum. <3> Absorbs wavelengths only from the blue part of the visible spectrum. <4> Absorbs in the near ultraviolet.

Output: chemistry


Input: Consider Input: Question: Non-fluid, motor or expressive aphasia is associated with injuries in: 
 Options:  <0> The Wernicke area. <1> The arched fascicle. <2> The motor cortex <3> The Broca area. <4> The angular gyrus.


Output: pharmacology