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: Women are ____ times more likely to resort to violence in self-defense.

SOLUTION: seven

PROBLEM: Elephants have five toes on the fore feet and ____ on the hind feet.

SOLUTION: four

PROBLEM: Some women have ____ symptoms of oestrogen deficiency.

SOLUTION:
no