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:
Divorce affects one out of every ____ marriages today.
answer:
four


question:
Most cats have five toes on each front paw, but only ____ toes on each back paw.
answer:
four


question:
Many magnetometers are ____ axis.
answer:

three