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

[Q]: Human sperm comes in _ varieties, mixed.
[A]: three

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

[Q]: Chemotherapy is given intervenously every three to four weeks as tolerated for at least _ cycles.
[A]:
six