TASK DEFINITION: In this task, you need to replace a letter in the sentence with another given letter.
PROBLEM: Sentence: 'a plate topped with waffles, bacon and banana slices'. Replace the letter 'a' with 'k' in the sentence.

SOLUTION: k plkte topped with wkffles, bkcon knd bknknk slices

PROBLEM: Sentence: 'black and white image of a tattoo and piercing sign in a city'. Replace the letter 'e' with 'h' in the sentence.

SOLUTION: black and whith imagh of a tattoo and pihrcing sign in a city

PROBLEM: Sentence: 'a weird guy holding a large kitchen knife'. Replace the letter 'y' with 'i' in the sentence.

SOLUTION:
a weird gui holding a large kitchen knife