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: The lithium dialkyl-heptarate reacts with alkyl halides to produce, by formation of carbon-carbon bonds between the alkyl group of the halide and the alkyl group of the dialkyl acetate: 
 Options:  <0> Alcanes. <1> Alquenos <2> Alquinos. <3> Aromatics <4> Piranos.

Output: chemistry


Input: Consider Input: Question: The phase of meiosis where the pairs of homologous chromosomes are aligned along the equatorial plane is called: 
 Options:  <0> Profase I. <1> Metaphase II. <2> Profase II. <3> Metaphase I. <4> Prometaphase I.


Output: biology