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:
Malaria kills up to ____ million people each year.
answer:
two


question:
Most orthoptists work ____ hours a day, four or five days a week.
answer:
eight


question:
All Muslim men marry ____ wives.
answer:

four