TASK DEFINITION: In this task, you need to replace a letter in the sentence with another given letter.
PROBLEM: Sentence: 'a dog standing near a potted plant outside'. Replace the letter 'a' with 'j' in the sentence.

SOLUTION: j dog stjnding nejr j potted pljnt outside

PROBLEM: Sentence: 'a baseball player running to third base from second'. Replace the letter 'a' with 'u' in the sentence.

SOLUTION: u busebull pluyer running to third buse from second

PROBLEM: Sentence: 'people are doing tricks on bicycles and skateboards'. Replace the letter 'n' with 'v' in the sentence.

SOLUTION:
people are doivg tricks ov bicycles avd skateboards