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.

Q: Question: The reaction of 1H-indole with electrophiles takes place selectively on the atom in position: 
 Options:  <0> one. <1> two. <2> 3. <3> Four. <4> 5.

A: chemistry
****
Q: Question: Which of the following is a more reliable marker of malnutrition in the elderly patient? 
 Options:  <0> Weight loss of 1 kg in the last month. <1> Body mass index greater than 24. <2> Difficulty swallowing, chewing and / or lack of appetite. <3> Albumin 4.5 gr / dl. <4> Mini Nutritional Assessment less than 17.

A: medicine
****
Q: Question: The Family Drawing Test is a projective technique of type: 
 Options:  <0> Thematic. <1> Expressive. <2> Associative <3> Constructive. <4> Perceptual.

A:
psychology
****