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

[EX Q]: Indoor cats can live up to _ times longer than an outdoor cat.
[EX A]: seven

[EX Q]: Cockatiels average _ to five eggs per nest, with an egg typically laid every other day.
[EX A]: four

[EX Q]: Most infected people have _ signs or symptoms.
[EX A]:
no