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

[Q]: Southern moles are six to _ inches long and weigh three to four ounces.
[A]: seven

[Q]: Tobacco kills four million people a year, one death every _ seconds.
[A]: eight

[Q]: Information collected by the _ senses comes into the brain from the spinal cord to the cortex.
[A]:
five