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

Example Input: Sentence: 'a close up of a honey badger on the ground'. Replace the letter 'o' with 'g' in the sentence.
Example Output: a clgse up gf a hgney badger gn the grgund

Example Input: Sentence: 'a man is somewhat hard to be seen in the wave, on his board'. Replace the letter 's' with 'b' in the sentence.
Example Output: a man ib bomewhat hard to be been in the wave, on hib board

Example Input: Sentence: 'a bus parked at a station in a city'. Replace the letter 'e' with 'w' in the sentence.
Example Output:
a bus parkwd at a station in a city