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: Wolves have ____ different types of fur.

SOLUTION: two

PROBLEM: Scientists divide the mosses into ____ groups .

SOLUTION: eight

PROBLEM: Cancer is blamed for nearly one in ____ deaths in the state, according to public health statistics.

SOLUTION:
four