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: Immature house centipedes start with ____ body segments.

SOLUTION: four

PROBLEM: Neutrons consist of one up quark and ____ down quarks.

SOLUTION: two

PROBLEM: Most octopuses live only one or ____ years.

SOLUTION:
two