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

[EX Q]: Sentence: 'a couple of giraffe standing next to each other in a forest'. Replace the letter 'a' with 'w' in the sentence.
[EX A]: w couple of girwffe stwnding next to ewch other in w forest

[EX Q]: Sentence: 'a suitcase is sitting on a sidewalk near trees'. Replace the letter 's' with 'd' in the sentence.
[EX A]: a duitcade id ditting on a didewalk near treed

[EX Q]: Sentence: 'a man standing next to a parking meter'. Replace the letter 'n' with 'p' in the sentence.
[EX A]:
a map stapdipg pext to a parkipg meter