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

Example Input: Sentence: 'a kid is sitting on a skateboard outside'. Replace the letter 'd' with 'a' in the sentence.
Example Output: a kia is sitting on a skateboara outsiae

Example Input: Sentence: 'black and white image of a tattoo and piercing sign in a city'. Replace the letter 'e' with 'h' in the sentence.
Example Output: black and whith imagh of a tattoo and pihrcing sign in a city

Example Input: Sentence: 'the plate of french toast has fruit on it'. Replace the letter 'h' with 'y' in the sentence.
Example Output:
tye plate of frency toast yas fruit on it