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 Input:
Question: Fibrinogen is activated by: 
 Options:  <0> Platelet stopper <1> Plasmina. <2> Thrombin <3> Thromboplastin. <4> Factor von Willebrand.

Ex Output:
biology


Ex Input:
Question: What type of mechanism does Gestalt propose as an explanatory mechanism for solving a problem ?: 
 Options:  <0> The trial and error. <1> The search for operations in the problem space. <2> The algorithmic methods. <3> The huerísticos methods. <4> The insight.

Ex Output:
psychology


Ex Input:
Question: Infections caused by Clostridium tetani, Bordetella pertussis, Corynebacterium diphtheriae and Vibrio cholerae have in common: 
 Options:  <0> The type of transmission. <1> The reservoir. <2> The production of exotoxins. <3> The affected organs. <4> The route of infection.

Ex Output:

biology