TASK DEFINITION: In this task, you need to replace a letter in the sentence with another given letter.
PROBLEM: Sentence: 'a living room with an orange couch and green decorations'. Replace the letter 'c' with 'm' in the sentence.

SOLUTION: a living room with an orange moumh and green demorations

PROBLEM: Sentence: 'an old photo of group of people nicely dressed around the end of a long table'. Replace the letter 'e' with 'i' in the sentence.

SOLUTION: an old photo of group of piopli nicily drissid around thi ind of a long tabli

PROBLEM: Sentence: 'a small cat sitting on an office chair'. Replace the letter 'l' with 'v' in the sentence.

SOLUTION:
a smavv cat sitting on an office chair