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: Earth is the third planet from the Sun in our solar system, which includes ____ other planets.

SOLUTION: seven

PROBLEM: Maps have ____ or more bar scales, each in a different unit of measure.

SOLUTION: three

PROBLEM: Beavers have an average of ____ young once a year.

SOLUTION:
four