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

Input: Consider Input: Acrobats mount a single bicycle until _ people in all are stacked on top of it.

Output: ten


Input: Consider Input: Plankton has _ known ancestors.

Output: two


Input: Consider Input: Avocados contain a _ carbon sugar which also slows the production of insulin.


Output: seven