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:
Calcite makes up ____ well known rocks limestone and marble.
answer:
two


question:
Harpists spend ninety percent of their lives tuning their harps and ____ percent playing out of tune.
answer:
ten


question:
Ocean has ____ life-important properties.
answer:

two