instruction:
In this task, find the most appropriate number to replace the blank (indicated with _ ) and express it in words.
question:
Dingoes live to _ or six years of age in the wild and fifteen years in captivity.
answer:
five


question:
Brown bears grow from six and a half to _ feet long.
answer:
nine


question:
Ordinary tin is composed of _ stable isotopes.
answer:

nine