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

[EX Q]: Sentence: 'an airplane moves through the skies above a snowy mountain range'. Replace the letter 'l' with 's' in the sentence.
[EX A]: an airpsane moves through the skies above a snowy mountain range

[EX Q]: Sentence: 'a shot looks down on a person riding a long board'. Replace the letter 'o' with 'u' in the sentence.
[EX A]: a shut luuks duwn un a persun riding a lung buard

[EX Q]: Sentence: 'a police car blocking the street in front of a doubledecker bus'. Replace the letter 'p' with 'a' in the sentence.
[EX A]:
a aolice car blocking the street in front of a doubledecker bus