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

Input: Consider Input: Liquid crystals lack the full _ dimensional position and orientation order of ordinary crystals.

Output: three


Input: Consider Input: Telescopes come in _ basic types - refractors and reflectors.

Output: two


Input: Consider Input: Most ankle sprains heal in _ to eight weeks.


Output: three