In this task, you need to replace a letter in the sentence with another given letter.
--------
Question: Sentence: 'a man is somewhat hard to be seen in the wave, on his board'. Replace the letter 's' with 'b' in the sentence.

Answer: a man ib bomewhat hard to be been in the wave, on hib board


Question: Sentence: 'two zebras are snuggling at the zoo in their display area'. Replace the letter 'e' with 'z' in the sentence.

Answer: two zzbras arz snuggling at thz zoo in thzir display arza


Question: Sentence: 'a man in a wetsuit carrying a surfboard to the water'. Replace the letter 'w' with 'v' in the sentence.

Answer:
a man in a vetsuit carrying a surfboard to the vater