In this task, you need to replace a letter in the sentence with another given letter.

Input: Consider Input: Sentence: 'a person is riding a skateboard in a skateboard park'. Replace the letter 'a' with 'o' in the sentence.

Output: o person is riding o skoteboord in o skoteboord pork


Input: Consider Input: Sentence: 'a large table with a green cloth on top'. Replace the letter 'e' with 'i' in the sentence.

Output: a largi tabli with a griin cloth on top


Input: Consider Input: Sentence: 'a crooked street sign on a damaged sidewalk'. Replace the letter 'm' with 'u' in the sentence.


Output: a crooked street sign on a dauaged sidewalk