TASK DEFINITION: In this task, you need to replace a letter in the sentence with another given letter.
PROBLEM: Sentence: 'two children struggle over a bat in their playroom'. Replace the letter 't' with 'v' in the sentence.

SOLUTION: vwo children svruggle over a bav in vheir playroom

PROBLEM: Sentence: 'young boy leaping into air with tennis racket with dog below him'. Replace the letter 't' with 'r' in the sentence.

SOLUTION: young boy leaping inro air wirh rennis racker wirh dog below him

PROBLEM: Sentence: 'a cat takes over a human's chair, and their book'. Replace the letter 'u' with 'm' in the sentence.

SOLUTION:
a cat takes over a hmman's chair, and their book