TASK DEFINITION: In this task, you need to replace a letter in the sentence with another given letter.
PROBLEM: Sentence: 'picture of a gothic church with a blue sky in the background'. Replace the letter 'e' with 'i' in the sentence.

SOLUTION: picturi of a gothic church with a blui sky in thi background

PROBLEM: Sentence: 'two cats sitting on an office chair next to a desk'. Replace the letter 's' with 'j' in the sentence.

SOLUTION: two catj jitting on an office chair next to a dejk

PROBLEM: Sentence: 'a walk in shower with a towel hanging over it's side'. Replace the letter 'n' with 'a' in the sentence.

SOLUTION:
a walk ia shower with a towel haagiag over it's side