In this task, find the most appropriate number to replace the blank (indicated with _ ) and express it in words.
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Question: Smokers die an average of six to _ years earlier than nonsmokers.

Answer: eight


Question: Comets are a bit like giant dirty ice-balls with diameters between _ and fifty kilometres.

Answer: five


Question: Democracy means more than multiparty elections every _ or five years.

Answer:
four