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

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

Example Input: Polymer clay is formed to metal spring back barrettes, and are available in _ different styles.
Example Output: five

Example Input: Wind is renewable, and produces _ emissions or by-products.
Example Output:
no