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

Input: Consider Input: Crustaceans have _ major body parts .

Output: three


Input: Consider Input: Plants have many white flowers with _ petals, giving the plant a white, flat-topped appearance.

Output: four


Input: Consider Input: Oman is largely a desert land, with _ distinct geographical regions.


Output: five