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

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


[Q]: Sentence: 'a close shot of a stop sign near a building'. Replace the letter 'b' with 'u' in the sentence.
[A]: a close shot of a stop sign near a uuilding


[Q]: Sentence: 'a couple of horses are on a beach'. Replace the letter 's' with 'j' in the sentence.
[A]:
a couple of horjej are on a beach