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

Input: Consider Input: Y are _ morphisms and g is quasi-compact and surjective.

Output: two


Input: Consider Input: Water is the only substance on earth that exists naturally in _ states .

Output: three


Input: Consider Input: Sprawl destroys one million acres of farmland every _ years.


Output: two