TASK DEFINITION: In this task, you need to replace a letter in the sentence with another given letter.
PROBLEM: Sentence: 'a woman holding the arm of a life size teddy bear in a guard outfit'. Replace the letter 'g' with 'a' in the sentence.

SOLUTION: a woman holdina the arm of a life size teddy bear in a auard outfit

PROBLEM: Sentence: 'a little kid that is eating an apple'. Replace the letter 'p' with 'j' in the sentence.

SOLUTION: a little kid that is eating an ajjle

PROBLEM: Sentence: 'a skateboarder is about to go down a platform'. Replace the letter 'a' with 'y' in the sentence.

SOLUTION:
y skyteboyrder is ybout to go down y plytform