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: Deer mice have four toes on the forefeet and ____ toes on the hind feet.

SOLUTION: five

PROBLEM: Fruit is a silique opening by ____ valves.

SOLUTION: two

PROBLEM: Respiratory therapists complete two to ____ years of education.

SOLUTION:
four