TASK DEFINITION: In this task, find the most appropriate number to replace the blank (indicated with _ ) and express it in words.
PROBLEM: Planaria has rudimentary eyes which produce _ images but detect direction.

SOLUTION: no

PROBLEM: Most amphibians reach maturity at _ or four years.

SOLUTION: three

PROBLEM: Abortion takes more lives every _ months than the Civil War claimed in four years.

SOLUTION:
six