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: What kind of memory can we use to plan what we have to do to arrive on time for an appointment next Tuesday? 
 Options:  <0> Prospective report. <1> Autobiographical memory <2> Episodic memory. <3> Semantic memory <4> Procedural memory.

Answer: psychology


Question: Question: The chemical reactions of the splicing process of the introns during the maturation of the pre-mRNAs consists of: 
 Options:  <0> An oxidation-reduction reaction. <1> A transesterification reaction. <2> Two sequential transesterification reactions. <3> Three sequential transesterification reactions. <4> A transesterification reaction followed by another oxidation reaction.

Answer: chemistry


Question: Question: It keeps the strands of the DNA duplex separated during replication: 
 Options:  <0> Primasa <1> DNA ligase. <2> SSB protein. <3> Helicasa <4> DNA Polymerase I.

Answer:
biology