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: Neutrinos are particles with almost ____ mass and no electric charge.

SOLUTION: no

PROBLEM: Most litters contain two to ____ kittens.

SOLUTION: four

PROBLEM: Hackberry is host to a large number of insects and diseases, most of which cause ____ serious damage.

SOLUTION:
no