instruction:
In this task, find the most appropriate number to replace the blank (indicated with _ ) and express it in words.
question:
Cancer can start in any of the _ sections or where the colon ends in the rectum.
answer:
four

question:
Skin cancer affects one in _ people in the United States over a lifetime.
answer:
six

question:
Most linguists organize the African languages into _ major language families .
answer:
four