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: The secretion of GH or growth hormone: 
 Options:  <0> It stops at 20 years old. <1> It last for ever. <2> During the day it is greater than at night. <3> It is stimulated by somatostatin. <4> It is stimulated by the substances.

Output: biology


Input: Consider Input: Question: The binding of an allosteric activator to an allosteric enzyme typically results in: 
 Options:  <0> Decrease the Vmax. <1> The transition to a less soluble state. <2> Decrease the Km by its substrate. <3> The transition to hyperbolic kinetics. <4> The dissociation of its subunits.

Output: chemistry


Input: Consider Input: Question: ADH increases the osmolality of the renal interstitial medium because it increases: 
 Options:  <0> The permeability to urea in the collector tube. <1> The water permeability of the ascending loop of Henle. <2> The flow in the straight vessels. <3> The reabsorption of NaCl in the collecting tubule. <4> The renal excretion of water.


Output: biology