instruction:
In this task, find the most appropriate number to replace the blank (indicated with _ ) and express it in words.
question:
Healthy people can donate blood as often as once every _ weeks.
answer:
eight

question:
Suicides account for more that _ out of five firearm deaths.
answer:
four

question:
Cats have fur, _ legs, and a tail the same as dogs do.
answer:
four