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:
Some women experience a labor of three to _ days.
answer:
five


question:
Surface water is classified into _ different classes depending on the cleanliness of the water.
answer:

five