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

Ex Input:
Premolars have one, two, and sometimes _ canals.

Ex Output:
three


Ex Input:
Flatworms exhibit _ forms of life styles, free-living and parasitic.

Ex Output:
two


Ex Input:
Uninsured people are more than _ times more likely to die in the hospital than the insured.

Ex Output:

three