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 Q]: 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
[EX A]: biology

[EX Q]: Question: For classical automaticity theories, what characterizes automatic versus controlled processes ?: 
 Options:  <0> The automatic processes are under control of the person's intentions. <1> Automatic processes consume great attentional capacity. <2> Automatic processes process information only sequentially. <3> Automatic processes consume a lot of time. <4> Automatic processes do not have to access conscious knowledge.
[EX A]: psychology

[EX Q]: Question: During the aging process there are changes in the different systems and devices, being true that in the cardiovascular system: 
 Options:  <0> Increased sensitivity of the baroreceptors intensifies postural hypotension. <1> The three layers of the blood vessels are affected equally in the aging process. <2> The left ventricle decreases in size. <3> The cycle of diastolic filling and systolic emptying requires less time to complete. <4> The atrioventricular valves suffer from sclerosis and fibrosis.
[EX A]:
nursery