instruction:
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.
question:
Ozone leaves ____ by-products except pure oxygen.
answer:
no


question:
Spiders have eight jointed legs and ____ body parts.
answer:
two


question:
Canes generally bloom heavily for only two or ____ seasons.
answer:

three