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:
Multiplications are always ____ complemental.
answer:
two


question:
Biennials require portions of ____ growing seasons to reproduce.
answer:
two


question:
Some cultures yield five or ____ species, and they are assigned consecutive letters.
answer:

six