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: Why do ovarian cycles not appear in nursing mothers for several months after birth ?: 
 Options:  <0> For stress and lack of sleep associated with breastfeeding. <1> Because there are low levels of FSH and LH. <2> Because there are high levels of oxytocin. <3> By saving iron that is derived from breastfeeding. <4> Because there are high levels of progesterone.
Example Output: pharmacology

Example Input: Question: When training a patient to perform diaphragmatic breathing exercises correctly, we will indicate that: 
 Options:  <0> Inhale through your nose while counting to 3 and exhale quickly with pursed lips. <1> Inhale through the mouth and contract the abdominal muscles for another 7 seconds. <2> Firmly press the abdomen out and down when exhaling. <3> Inhale slowly and deeply through the nose and push the abdomen outward. <4> Help yourself by supporting your hands on the rib cage while inspiring.
Example Output: nursery

Example Input: Question: The repeated sequence of human telomeres is: 
 Options:  <0> 5'-GGGATT-3'. <1> 3'-CCCTAA-5'. <2> 5'-CCCCAA-5 '. <3> 5'-CCTTAA-3. <4> 5'-CCCTAA-3 '.
Example Output:
biology