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:
Lions stand ____ feet tall at the shoulders.
answer:
three


question:
Tuataras reproduce very slowly, sometimes taking ____ years to reach sexual maturity.
answer:
ten


question:
Radiographs show ____ dimensional representation of three dimensional structures.
answer:

two