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: Green lines represent the boundaries between the ____ hemispheres.

SOLUTION: two

PROBLEM: Lobelia Take ____ capsules after three meals each day.

SOLUTION: two

PROBLEM: Calcite makes up ____ well known rocks limestone and marble.

SOLUTION:
two