Given a sentence, fill out the missing word with a 'no' or a number (between zero and ten). You should write the numbers with english alphabet, like: four instead of 4.

Example Input: Ligand seeks ____ receptors into binding and mutual phosporylation.
Example Output: two

Example Input: Eyes are small with ____ eyebrows or lashes.
Example Output: no

Example Input: Astrophysicists know that ____ times as much dark matter exists in the universe.
Example Output:
eight