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: Marine biologists have ____ theories on why whales breach.

A: two
****
Q: Ozone leaves ____ by-products except pure oxygen.

A: no
****
Q: Older deer grow large antlers with ____ or more tines.

A:
six
****