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

[EX Q]: Sentence: 'a pair of planes in an airport lot parked for boarding and exiting'. Replace the letter 'e' with 'o' in the sentence.
[EX A]: a pair of planos in an airport lot parkod for boarding and oxiting

[EX Q]: Sentence: 'a large clock tower next to a building on a street'. Replace the letter 'c' with 'n' in the sentence.
[EX A]: a large nlonk tower next to a building on a street

[EX Q]: Sentence: 'a bird on a tree branch with a blurry background'. Replace the letter 'u' with 'g' in the sentence.
[EX A]:
a bird on a tree branch with a blgrry backgrognd