In this task, you are given a question and an answer, you would be asked to create the sentence based on the Question-Answer provided. It should be contained within the Question-Answer provided.

[EX Q]: Question: While spermatogenesis produces four haploid sperm cells, oogenesis produces one mature what? Answer: ovum
[EX A]: While spermatogenesis produces four haploid sperm cells, oogenesis produces one mature ovum.

[EX Q]: Question: Adulthood is divided into how many stages? Answer: three
[EX A]: Adulthood is divided into three stages.

[EX Q]: Question: What is the term for electric current that keeps reversing direction? Answer: alternating current
[EX A]:
Alternating current is the term for electric current that keeps reversing direction.