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

[EX Q]: Sweet corn accounts for about _ per cent of total corn production in Ontario.
[EX A]: five

[EX Q]: Some people have _ or four careers during their lives.
[EX A]: three

[EX Q]: Lung cancer accounts for more new cases and deaths than do the next _ leading cancers combined.
[EX A]:
three