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

[EX Q]: Reds can benefit from seven to _ years' aging .
[EX A]: nine

[EX Q]: Prostate cancer has _ symptoms in the early stages.
[EX A]: no

[EX Q]: Milk is a good source of all _ nutrients.
[EX A]:
three