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

Ex Input:
Liquids usually descend in three to five seconds, and solids in _ to twenty seconds.

Ex Output:
eight


Ex Input:
Epilepsy is defined as having _ or more unprovoked seizures.

Ex Output:
two


Ex Input:
Worms have _ main characteristics.

Ex Output:

two