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 have ____ legs, and often look like reptiles.
answer:
four


question:
Most dens are oval shape, six to ____ feet long and about six feet in height and width.
answer:
nine


question:
Water is found in ____ forms - liquid, gas, and solid.
answer:

three