In this task, you need to replace a letter in the sentence with another given letter.

Input: Consider Input: Sentence: 'a cook sanding between two women inside of a kitchen'. Replace the letter 'n' with 'y' in the sentence.

Output: a cook saydiyg betweey two womey iyside of a kitchey

Input: Consider Input: Sentence: 'a police officer on a horse is riding down the street'. Replace the letter 'h' with 'a' in the sentence.

Output: a police officer on a aorse is riding down tae street

Input: Consider Input: Sentence: 'a yellow and blue fire hydrant in front of a bike rack'. Replace the letter 'k' with 'o' in the sentence.
Output: a yellow and blue fire hydrant in front of a bioe raco