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.

Ex Input:
Question: A potential receiver: 
 Options:  <0> It is produced by the opening of voltage-dependent channels. <1> Increase its frequency if the intensity of the stimulus increases. <2> It occurs after the binding of the neurotransmitter to the postsynaptic receptor. <3> They occur if the trigger threshold is exceeded. <4> It can be exciter or inhibitor.

Ex Output:
biology


Ex Input:
Question: The concept of latent scheme in the cognitive theory of depression by Aaron Beck means that they are cognitive schemes: 
 Options:  <0> Of which the individual is not aware. <1> That directly influence the mood in a continuous but subtle way. <2> They are not permanently activated in vulnerable individuals and are activated only in the face of specific stressors. <3> They are active permanently but with an intensity that increases in each relapse or recurrence. <4> That do not require mental effort for its activation.

Ex Output:
psychology


Ex Input:
Question: Ophthalmological ointments: 
 Options:  <0> They may contain solid particles but only with a controlled size. <1> They do not need to be sterile. <2> They require the test of pyrogens. <3> They can not be W / O emulsions. <4> Always your excipients must be fatty

Ex Output:

pharmacology