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.

Example 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.
Example Output: chemistry

Example Input: Question: The determined (or systematic) errors that can be committed in an analytical method:
Options: <0> They cause the data to spread more or less symmetrically with respect to a mean value. <1> They have a definite value and an assignable cause, giving rise to a bias in the results of a series of measures. <2> They come reflected in the precision of a measurement. <3> They are never attributable to instrumental measuring devices. <4> They result in outliers, which differ greatly from the others in a set of duplicate measures data.
Example Output: pharmacology

Example Input: Question: With respect to the treatment of depression and, in particular, the comparative efficacy between psychological treatments (especially cognitive-behavioral therapy) and pharmacological treatments, it can be stated that, in general:
Options: <0> Drugs for depression are more effective in patients with severe depression than psychological treatments. <1> Drugs for depression provide a faster improvement response than psychological treatments. <2> Drugs for depression have a long-term relapse prevention effect similar to psychological treatments. <3> Drugs for depression have a similar level of side effects as psychological treatments. <4> The drugs for depression make psychological therapy more effective compared to its application without medication.
Example Output:
psychology