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

Input: Consider Input: Sentence: 'a group of young people playing a game of soccer'. Replace the letter 'c' with 'o' in the sentence.

Output: a group of young people playing a game of soooer

Input: Consider Input: Sentence: 'a man that is on the back of an elephant'. Replace the letter 'c' with 'd' in the sentence.

Output: a man that is on the badk of an elephant

Input: Consider Input: Sentence: 'a pile of different colored vegetables sitting on a table'. Replace the letter 'a' with 'm' in the sentence.
Output: m pile of different colored vegetmbles sitting on m tmble