instruction:
In this task, find the most appropriate number to replace the blank (indicated with _ ) and express it in words.
question:
Plants grow to _ feet tall with feathery, smoky purple foliage.
answer:
four


question:
Bull sharks are a 'requiem' species, reaching up to _ feet in length.
answer:
ten


question:
Tobacco kills four million people a year, one death every _ seconds.
answer:

eight