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

Ex Input:
Sunlight causes skin cancers in _ ways.

Ex Output:
two

Ex Input:
Snow is made from snowflakes, which are _ sided.

Ex Output:
six

Ex Input:
Vertebrates exhibit all _ of the chordate characteristics at some point during their lives.

Ex Output:
three