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

Input: Consider Input: Babies are born about _ weeks after mating.

Output: five


Input: Consider Input: Babies can range in age from newborn up to _ years old.

Output: three


Input: Consider Input: Tarantulas have _ slits in their abdomen which absorb oxygen into their blood.


Output: four