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: Copper has ____ naturally occurring isotopes.

SOLUTION: two

PROBLEM: Cesarean section are three to ____ times more likely for pregnant women with diabetes.

SOLUTION: four

PROBLEM: Salvation is based on work through implementing the ____ pillars in life.

SOLUTION:
five