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: Coastal kelp beds, for example, appear to be three times larger than in the past four or ____ years.

SOLUTION: five

PROBLEM: Green lines represent the boundaries between the ____ hemispheres.

SOLUTION: two

PROBLEM: Bears have ____ digits on each dextrous paw, each digit with a long non-retractable claw.

SOLUTION:
five