In this task, you are given a multiple-choice question about healthcare. Answer the question based on your information and classify your answers into '1', '2', '3', and '4'.

[EX Q]: Question: Which of the following hydrides has the highest normal boiling point? 
 Options:  <1> SiH4. <2> CH4 <3> HCl. <4> PH3. <5> HF
[EX A]: 5

[EX Q]: Question: Stimulates the separation of DNA strands during replication: 
 Options:  <1> Primasa <2> DNA ligase. <3> The single chain DNA binding proteins. <4> Helicasa <5> DNA polymerase I.
[EX A]: 4

[EX Q]: Question: According to Tyrer's classification (1989), what type of dissociation does psychogenic amnesia (dissociative amnesia) belong to ?: 
 Options:  <1> The dissociation of the personality. <2> The dissociation of cognitive function. <3> The dissociation of perception. <4> The dissociation of movement or sensation. <5> The dissociation of complex behaviors.
[EX A]:
2