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: Calves are spotted when born and develop their brown coats in ____ months.
Example Output: six

Example Input: Fish kills can occur when oxygen is less than ____ ppm.
Example Output: three

Example Input: American women are ____ times more likely to die from breast cancer than Japanese women.
Example Output:
four