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

Example Input: Armaments manufacturers use lithium to produce tritium in _ ways.
Example Output: two

Example Input: Female dropouts are also _ times more likely to smoke during pregnancies.
Example Output: eight

Example Input: Tricolour mouse is to have _ contrasting patches of colour on the back and sides.
Example Output:
three