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: Crustaceans have ____ pairs of antennae.

SOLUTION: two

PROBLEM: Ocean has ____ life-important properties.

SOLUTION: two

PROBLEM: Blooms have ____ pollinia.

SOLUTION:
four