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 waterview with multiple boats in the water'. Replace the letter 'r' with 'w' in the sentence.
[A]: a watewview with multiple boats in the watew

[Q]: Sentence: 'a mobile home is transported by truck through the city'. Replace the letter 'b' with 'a' in the sentence.
[A]:
a moaile home is transported ay truck through the city