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

[EX Q]: Sentence: 'a city street with cars and busses near buildings'. Replace the letter 'e' with 'd' in the sentence.
[EX A]: a city strddt with cars and bussds ndar buildings

[EX Q]: Sentence: 'a person and a dog are on a bench'. Replace the letter 'e' with 'r' in the sentence.
[EX A]: a prrson and a dog arr on a brnch

[EX Q]: Sentence: 'a couple of zebras graze on some grass'. Replace the letter 'r' with 'p' in the sentence.
[EX A]:
a couple of zebpas gpaze on some gpass