In this exercise, you are agiven a phrase that may or may not contain the word “plate”. If the word does exist, replace all occurances of “plate” with “bowl”, unless the word plate is plural. If it is plural, don’t replace it.

Example:

replacePlate("I ate off a plate.") --> "I ate off a bowl."
replacePlate("I set a plate on the plate.") --> "I set a bowl on the bowl."
replacePlate("I set a plate on the plates.") --> "I set a bowl on the plates."