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

Ex Input:
All dogs are animals, and no cats are dogs, therefore _ cats are animals.

Ex Output:
no

Ex Input:
Skin cancer affects one in _ people in the United States over a lifetime.

Ex Output:
six

Ex Input:
Mosquitoes can develop in any standing water that lasts more than _ days.

Ex Output:
four