TASK DEFINITION: In this task, find the most appropriate number to replace the blank (indicated with _ ) and express it in words.
PROBLEM: Most amphibians reach maturity at _ or four years.

SOLUTION: three

PROBLEM: Fluoroscopy has _ magnification modes and image capture.

SOLUTION: two

PROBLEM: Botanists use _ different words, 'thorns', spines, and 'prickles'.

SOLUTION:
three