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.

Question: When assessing the position held by the baby suckling, which of the following signs indicate that the position and grip of the baby is NOT correct? 
 Options:  <0> The chin touches the chest. <1> The mouth is very open. <2> Everted lips <3> Nose very close to the chest. <4> More areola visible above the mouth.
nursery

Question: Sumatriptan is a first generation anti-migrant triptan, structurally characterized by having a heterocycle: 
 Options:  <0> Imidazoic <1> Piperidinic <2> Indic. <3> Pirrólico. <4> Oxazolic.
pharmacology

Question: The selectivity in the nucleophilic opening that occurs in the substituted oxacyclopropanes is called: 
 Options:  <0> Enantioselectivity <1> Diastereoselectivity. <2> Regioselectivity <3> Mesoselectivity <4> None of them.

chemistry