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.

Input: Consider Input: Urine tests are really limited in that they only look for five to ____ substances.

Output: nine


Input: Consider Input: Some bird feeders have ____ perches at all, but neither do tree trunks.

Output: no


Input: Consider Input: Excess potassium induces larval metamorphosis in ____ marine invertebrate species.


Output: four