Given a sentence, fill out the missing word with a 'no' or a number (between zero and ten). You should write the numbers with english alphabet, like: four instead of 4.

Taiwanese law permits a jail term of up to ____ years for spreading computer viruses.
three

Orchestra conductors live ____ to seven years longer than is usual in their societies.
three

Willow flycatchers have a lifespan of ____ to four years.

three