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:
Hoatzin has typical foot with ____ toes forwards and one backwards.
answer:
three


question:
Reds can benefit from ____ to nine years' aging .
answer:
seven


question:
Whales sleep approximately ____ hours per day.
answer:

eight