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: In an evaluation the redox indicator In (ox) + ne-  In (network) is used, whose normal potential is E0. The color change will occur: 
 Options:  <0> To the potential of the equivalence point. <1> To the value of E0. <2> In the interval E0  0.059 / n. <3> In the interval E0 (ox) - E0 (network) if it is evaluated with a reducer. <4> At the potential of 0.059 / n.
[A]: chemistry


[Q]: Question: The eggs are operculated: 
 Options:  <0> Hymenolepis nana. <1> Trichinella spiralis. <2> Enterobius vermicularis. <3> Fasciola hepatica. <4> Ascaris lumbricoides.
[A]: biology


[Q]: Question: The limitation of the therapeutic effort refers to: 
 Options:  <0> Palliative sedation <1> Assisted suicide. <2> To the rejection to the treatment. <3> To the non-therapeutic fierceness. <4> To double effect therapy.
[A]:
nursery