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: Binary distillation is a separation of only ____ chemicals.

Output: two

Input: Consider Input: Orchestra conductors live ____ to seven years longer than is usual in their societies.

Output: three

Input: Consider Input: Most stress fractures heal with a period of rest for ____ to eight weeks.
Output: four