TASK DEFINITION: In this task, you need to replace a letter in the sentence with another given letter.
PROBLEM: Sentence: 'a couple of giraffe standing next to each other'. Replace the letter 'i' with 'q' in the sentence.

SOLUTION: a couple of gqraffe standqng next to each other

PROBLEM: Sentence: 'a close shot of a stop sign near a building'. Replace the letter 'b' with 'u' in the sentence.

SOLUTION: a close shot of a stop sign near a uuilding

PROBLEM: Sentence: 'three platters of food on a wooden table'. Replace the letter 'd' with 'j' in the sentence.

SOLUTION:
three platters of fooj on a woojen table