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

[EX Q]: Communion is that which is shared between the _ persons of the Holy Trinity.
[EX A]: three

[EX Q]: Violets usually have _ sepals at the base and have five petals.
[EX A]: five

[EX Q]: Mares normally give birth to their first foal when they are between _ and six years of.
[EX A]:
three