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: Cichlids are popular in the aquarium hobby for a ____ reason.

SOLUTION: four

PROBLEM: Fibber content increases ____ to four times that of whole wheat bread.

SOLUTION: three

PROBLEM: Hops are the spice of beer, and are added to the boiling wort during the last ____ minutes of boil.

SOLUTION:
five