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: Some bird feeders have ____ perches at all, but neither do tree trunks.

SOLUTION: no

PROBLEM: Cattails contain ____ times the starch of an equal weight fo potatoes.

SOLUTION: ten

PROBLEM: Pathogens can enter our bodies through ____ routes.

SOLUTION:
four