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 't' with 'c' in the sentence.

SOLUTION: a couple of giraffe scanding nexc co each ocher

PROBLEM: Sentence: 'this is a bathroom found in a hotel'. Replace the letter 'h' with 's' in the sentence.

SOLUTION: tsis is a batsroom found in a sotel

PROBLEM: Sentence: 'there is a plate with a meat and mashed potatoes'. Replace the letter 't' with 'c' in the sentence.

SOLUTION:
chere is a place wich a meac and mashed pocacoes