In this task, you need to replace a letter in the sentence with another given letter.
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Question: Sentence: 'a dog wearing a pink life jacket sitting on a surf board in the ocean'. Replace the letter 'c' with 'y' in the sentence.

Answer: a dog wearing a pink life jayket sitting on a surf board in the oyean


Question: Sentence: 'a mobile phone and a set of keys on a key chain'. Replace the letter 's' with 'j' in the sentence.

Answer: a mobile phone and a jet of keyj on a key chain


Question: Sentence: 'a baseball player with a bat in his hands'. Replace the letter 'a' with 'b' in the sentence.

Answer:
b bbsebbll plbyer with b bbt in his hbnds