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.
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Question: Question: The number of nodes of the LUMO (unoccupied orbital of lower energy) of 1,3-butadiene is: 
 Options:  <0> None. <1> One. <2> Two. <3> Three. <4> Four.

Answer: chemistry


Question: Question: Patients with liver cirrhosis may have ascites due to: 
 Options:  <0> Alteration of the coagulation factors. <1> Portal hypertension and serum hypoalbuminemia. <2> Decrease in hydrostatic pressure. <3> Irritation of the peritoneal membrane by bile salts. <4> Post-surgical and abdominal trauma.

Answer: nursery


Question: Question: From the point of view of microbial growth, which of the following statements is true in relation to the term colony? 
 Options:  <0> It is a formation that is not visible macroscopically. <1> Corresponds to a single cell. <2> It derives from a single cell. <3> It is usually formed in liquid culture medium. <4> It is always formed by the aggregation of different microbial species.

Answer:
pharmacology