TASK DEFINITION: In this task, you need to replace a letter in the sentence with another given letter.
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 couple of horses with carriages at a building'. Replace the letter 'u' with 'm' in the sentence.

SOLUTION: a comple of horses with carriages at a bmilding

PROBLEM: Sentence: 'a pile of chopped up broccoli sits next to bottles of sauces'. Replace the letter 't' with 'y' in the sentence.

SOLUTION:
a pile of chopped up broccoli siys nexy yo boyyles of sauces