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

Example Input: Sentence: 'you are never to old to play with the nintendo wii'. Replace the letter 'e' with 'v' in the sentence.
Example Output: you arv nvvvr to old to play with thv nintvndo wii

Example Input: Sentence: 'a street side tree is filled with candles, teddy bears and balloons'. Replace the letter 'e' with 'c' in the sentence.
Example Output: a strcct sidc trcc is fillcd with candlcs, tcddy bcars and balloons

Example Input: Sentence: 'a woman eats a slice of cheese pizza'. Replace the letter 'l' with 'c' in the sentence.
Example Output:
a woman eats a scice of cheese pizza