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

[EX Q]: Sentence: 'a fire fighter climbs onto the roof of a market with a ladder'. Replace the letter 'r' with 'k' in the sentence.
[EX A]: a fike fightek climbs onto the koof of a makket with a laddek

[EX Q]: Sentence: 'a tennis racket is sitting in the middle of a tennis field'. Replace the letter 'i' with 'f' in the sentence.
[EX A]: a tennfs racket fs sfttfng fn the mfddle of a tennfs ffeld

[EX Q]: Sentence: 'people gathered outside a mexican food stall at a fair , also a lady with food'. Replace the letter 'e' with 'd' in the sentence.
[EX A]:
pdopld gathdrdd outsidd a mdxican food stall at a fair , also a lady with food