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: Lions spend much of their time resting and are active only about ____ hours every day.

SOLUTION: four

PROBLEM: Smoking causes lung cancer in ____ ways.

SOLUTION: two

PROBLEM: Fire blight is the most difficult to control of the ____ diseases.

SOLUTION:
four