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:
Scullers use ____ oars, sweep oarsmen pull just one.
answer:
two


question:
Birds have ____ beak, two wings, and two feet.
answer:
one


question:
Sexual maturity is reached at about ____ months of age.
answer:

nine