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: The main mediators of the antibody-dependent cellular cytotoxicdiad are: 
 Options:  <0> The eosinophils. <1> The NK lymphocytes. <2> The mast cells <3> The neutrophils. <4> The CD8 + lymphocytes.

Ex Output:
biology


Ex Input:
Question: Immunoglobulin isotype change affects: 
 Options:  <0> The constant regions of the heavy chains. <1> The constant regions of the light chains. <2> The totality of heavy chains. <3> The entire immunoglobulin molecule. <4> The hypervariable regions of the heavy chains.

Ex Output:
biology


Ex Input:
Question: The reinforcement circuit can be activated by electrical stimulation of the mesolimbic system, originating in the ventral tegmental area and projecting: 
 Options:  <0> To the hippocampus, inhibiting the release of dopamine. <1> To the nucleus accumbens, causing release of dopamine. <2> To the prefrontal cortex, stimulating the release of glutamate. <3> A mesencephalic reticular formation, causing release of glutamate. <4> To the pituitary, inhibiting the release of dopamine.

Ex Output:

psychology