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:
Amphibians are the first true vertebrates with ____ limbs.
answer:
four


question:
Primates have ____ digits on their forelimbs.
answer:
five


question:
Atypical hyperplasia increases the risk about ____ to eight-fold.
answer:

four