TASK DEFINITION: In this task, you need to replace a letter in the sentence with another given letter.
PROBLEM: Sentence: 'small kit bathroom sink with purple walls and lights on it'. Replace the letter 'o' with 'r' in the sentence.

SOLUTION: small kit bathrrrm sink with purple walls and lights rn it

PROBLEM: Sentence: 'a shot looks down on a person riding a long board'. Replace the letter 'o' with 'u' in the sentence.

SOLUTION: a shut luuks duwn un a persun riding a lung buard

PROBLEM: Sentence: 'pink and white flowers in a blue vase'. Replace the letter 'r' with 'b' in the sentence.

SOLUTION:
pink and white flowebs in a blue vase