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

[Q]: Most people stay in a nursing home for less than _ years.
[A]: four


[Q]: Essential oils have a non-toxic, residual effect of up to five months from just _ application.
[A]: one


[Q]: Most abortions are safe and uncomplicated, and most women have _ problems physically afterwards.
[A]:
no