In this task, find the most appropriate number to replace the blank (indicated with _ ) and express it in words.

[EX Q]: Masturbation tends to peak when children are between the ages of _ and five.
[EX A]: three

[EX Q]: Epilepsy is defined as having _ or more unprovoked seizures.
[EX A]: two

[EX Q]: Western geographers consider it to be the northernmost of _ central Asian republics.
[EX A]:
five