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:
Maps have ____ or more bar scales, each in a different unit of measure.
answer:
three


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


question:
Natural resources can be of ____ types.
answer:

three