In this task, find the most appropriate number to replace the blank (indicated with _ ) and express it in words.

[EX Q]: Southern moles are six to _ inches long and weigh three to four ounces.
[EX A]: seven

[EX Q]: Abdominal scars consist of _ to four half-inch incisions.
[EX A]: two

[EX Q]: Neurologists usually divide the pain syndromes into _ groups.
[EX A]:
two