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: A pregnant woman of 31 weeks goes to the emergency department referring loss of fluid through the vagina. Objective speculum exploration of clear fluid through the external cervical os. It is apyletic. The cardiotocographic record does not reveal contractions and the fetal heart rate is normal. The ultrasound scan reveals no malformations and the cervix is ​​not shortened. What therapeutic combination would it indicate? 
 Options:  <0> Tocolytics, corticosteroids and antibiotics. <1> Tocolytics and antibiotics. <2> Tocolytics and corticosteroids. <3> Oxytocin, corticosteroids and antibiotics. <4> Corticosteroids and antibiotics
[A]: medicine


[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: The standard free energy of activation of a reaction is: 
 Options:  <0> The difference in free energy between the basal state of the products and the substrates. <1> The difference of the enthalpy minus the entropy of the system. <2> The basal energy of the substrates in a catalyzed reaction. <3> The additional free energy that molecules must reach to reach the state of transition. <4> The energy released from a catalysed reaction.
[A]:
chemistry