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:
Dholes are highly social animals and live in packs of about ____ dogs.
answer:
ten


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


question:
Sexual maturity is reached at ____ to five years.
answer:

three