TASK DEFINITION: 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.
PROBLEM: Question: A 16-year-old woman consulted for primary amenorrhea. It presents a normal female development of secondary sexual characteristics. The levels of estradiol and testosterone are normal. In the gynecological examination, agenesis of the vagina is appreciated. Ultrasound is performed and there is absence of uterus. The ovaries are normal ultrasound. No left kidney is seen. The most likely diagnosis is: 
 Options:  <0> Rokitansky syndrome. <1> Morris syndrome. <2> Congenital adrenal hyperplasia. <3> Polycystic ovarian syndrome. <4> Kallman syndrome.

SOLUTION: medicine

PROBLEM: Question: Immunoglobulin isotype change affects: 
 Options:  <0> The constant regions of the heavy chains. <1> The constant regions of the light chains. <2> The totality of heavy chains. <3> The entire immunoglobulin molecule. <4> The hypervariable regions of the heavy chains.

SOLUTION: biology

PROBLEM: Question: The enolate ions undergo conjugate addition to α, β-unsaturated aldehydes and ketones, a reaction known as: 
 Options:  <0> Addition of Michael. <1> Addition of Prins. <2> Transposition of Cope. <3> Radical addition. <4> Transposition of Beckman.

SOLUTION:
chemistry