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

Q: Sentence: 'a red hydrant is sitting on the sidewalk in the city'. Replace the letter 'n' with 'r' in the sentence.

A: a red hydrart is sittirg or the sidewalk ir the city
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Q: Sentence: 'a bunch of red apples next to a few oranges'. Replace the letter 'n' with 'x' in the sentence.

A: a buxch of red apples xext to a few oraxges
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Q: Sentence: 'waves crash on the shore with a nearby lighthouse'. Replace the letter 's' with 'j' in the sentence.

A:
wavej crajh on the jhore with a nearby lighthouje
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