instruction:
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.
question:
Question: What are, among others, the main biases associated with the observer in the framework of observation techniques ?: 
 Options:  <0> The duration of the experiment. <1> The excess of information. <2> The technical accuracy <3> The illusion of learning. <4> The expectation and mechanical errors of registration.
answer:
psychology


question:
Question: Which of the following molecules has at least a 90º angle ?: 
 Options:  <0> H2O. <1> NH3. <2> CH4 <3> SF4. <4> BF3.
answer:
pharmacology


question:
Question: According to Rehm's theory, what failure of the self-control process explains to a greater extent the pessimistic view of life in adolescent depression? 
 Options:  <0> Selective attention to immediate consequences. <1> The establishment of unrealistic goals. <2> The erroneous attributions. <3> Deficit self-reinforcement. <4> The excessive punishment.
answer:

psychology