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.

Q: Most healthy men experience about three to ____ erections in their sleep each night.

A: five
****
Q: Heart attacks occur most often around ____ in the morning.

A: five
****
Q: Drakes are usually between the size of a small pony to the size of ____ oxen or yak.

A:
four
****