instruction:
In this task, find the most appropriate number to replace the blank (indicated with _ ) and express it in words.
question:
Ostrichs only have _ toes, and one toenail.
answer:
two


question:
Humans brains are about _ times bigger than in chimpanzees.
answer:
three


question:
Compulsive Disorder affects about sixty- nine per _ thousand people in any given year.
answer:

ten