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: For what purpose is the muscle tension technique applied in the treatment of blood phobia used ?: 
 Options:  <0> As a relaxation technique. <1> To divert the patient's attention from the feared stimulus. <2> To accelerate the habituation process. <3> To reduce vasovagal symptoms. <4> It is used in the first sessions to reduce anticipatory anxiety.
answer:
psychology


question:
Question: It is a genus of strict anaerobic bacteria that produce endospores and that contain pathogenic species: 
 Options:  <0> Bacteroides. <1> Bacillus. <2> Clostridium <3> Corynebacterium <4> Mycobacterium
answer:
biology


question:
Question: It is characteristic of the alpha helix: 
 Options:  <0> Present 3.6 amino acid residues per turn. <1> Be levorotatory <2> Be stabilized by intrachain disulfide bridges. <3> Present ionic bonds between amino and ketone groups loaded with peptide bonds. <4> Have the side chains of the amino acids inwards.
answer:

biology