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

Ex Input:
Lightning can travel _ miles or more horizontally from the storm, then strike the ground.

Ex Output:
six


Ex Input:
Most people stay in a nursing home for less than _ years.

Ex Output:
four


Ex Input:
Music automatically touches three of the _ modalities by which the brain processes information.

Ex Output:

four