TASK DEFINITION: In this task, you need to replace a letter in the sentence with another given letter.
PROBLEM: Sentence: 'the person rides down the path atop the pink skateboard'. Replace the letter 'e' with 'c' in the sentence.

SOLUTION: thc pcrson ridcs down thc path atop thc pink skatcboard

PROBLEM: Sentence: 'a no parking sign next to a car riding down a street'. Replace the letter 'g' with 'l' in the sentence.

SOLUTION: a no parkinl siln next to a car ridinl down a street

PROBLEM: Sentence: 'a gentleman waits expectantly at a parking meter'. Replace the letter 'c' with 'm' in the sentence.

SOLUTION:
a gentleman waits expemtantly at a parking meter