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

[Q]: Most insects have _ wings, but dipterans have only two.
[A]: four


[Q]: Albino barbs are a light yellow with _ barely visible stripes.
[A]: four


[Q]: Newborn apes rely on their mothers for milk and depend on their care for _ years.
[A]:
five