TASK DEFINITION: Given a sentence, fill out the missing word with a 'no' or a number (between zero and ten). You should write the numbers with english alphabet, like: four instead of 4.
PROBLEM: Cognitive changes are probably equivalent to about a three to ____ month delay in progression.

SOLUTION: six

PROBLEM: All crabs have ____ pair of chelipeds and four pairs of walking legs .

SOLUTION: one

PROBLEM: All animals exhibit ____ common behavioral patterns in a stereotypical manner.

SOLUTION:
six