In this task, find the most appropriate number to replace the blank (indicated with _ ) and express it in words.

Q: Cockatiels average _ to five eggs per nest, with an egg typically laid every other day.

A: four
****
Q: Atoms are most stable when they have _ electrons in their outer electron energy level.

A: eight
****
Q: Quadrature is a _ player strategy game.

A:
two
****