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

Example Input: Comets are a bit like giant dirty ice-balls with diameters between _ and fifty kilometres.
Example Output: five

Example Input: Essential oils have a non-toxic, residual effect of up to five months from just _ application.
Example Output: one

Example Input: Floppy disks come in _ sizes.
Example Output:
two