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: Warthogs also sport ____ sharp tusks.

SOLUTION: four

PROBLEM: Scientists divide the mosses into ____ groups .

SOLUTION: eight

PROBLEM: Most people die within five or ____ days.

SOLUTION:
six