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.

Example input: Female snakes incubate eggs inside of their bodies, giving birth to live young of ____ or more.
Example output: ten
Example explanation: Snakes give birth to minimum ten young ones so ten is a correct answer.
Q: Healthy people recover rapidly in two to ____ days.
A:
five