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:
Mollusks have one or ____ hearts.
answer:
two


question:
Some niqabs have ____ or two holes for the eyes.
answer:
one


question:
CAGE is the pneumonic that represents the ____ questions used to identify an alcoholic.
answer:

four