TASK DEFINITION: In this task, you need to replace a letter in the sentence with another given letter.
PROBLEM: Sentence: 'a dirt bike rider that is riding in the mud'. Replace the letter 'a' with 'o' in the sentence.

SOLUTION: o dirt bike rider thot is riding in the mud

PROBLEM: Sentence: 'a giraffe leaning over a fence from inside it's pasture'. Replace the letter 'n' with 'l' in the sentence.

SOLUTION: a giraffe lealilg over a felce from ilside it's pasture

PROBLEM: Sentence: 'a person on a motorcycle in the middle of a street with with many parked cars'. Replace the letter 'p' with 'f' in the sentence.

SOLUTION:
a ferson on a motorcycle in the middle of a street with with many farked cars