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 man who is surfing in a wave in the ocean'. Replace the letter 'a' with 'u' in the sentence.
[EX A]: u mun who is surfing in u wuve in the oceun

[EX Q]: Sentence: 'the ear of a large older elephant with spots'. Replace the letter 'r' with 'c' in the sentence.
[EX A]:
the eac of a lacge oldec elephant with spots