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

Example Input: Cluster flies are covered with fine golden hairs and have _ stripes on the thorax.
Example Output: no

Example Input: Glycolysis occurs in the cytoplasm and produces _ pyruvic acid.
Example Output: two

Example Input: Chitons have _ plates covering the dorsal body.
Example Output:
eight