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

Q: Sentence: 'a person jumping up in the air on a snowboard'. Replace the letter 'r' with 'o' in the sentence.

A: a peoson jumping up in the aio on a snowboaod
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Q: Sentence: 'two girls holding blue umbrellas wearing shirts and plastic'. Replace the letter 'd' with 'y' in the sentence.

A: two girls holying blue umbrellas wearing shirts any plastic
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Q: Sentence: 'the big ben clock tower in the city of london england'. Replace the letter 't' with 'n' in the sentence.

A:
nhe big ben clock nower in nhe ciny of london england
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