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

Ex Input:
Sentence: 'a person on a surfboard riding in ocean waves'. Replace the letter 's' with 'g' in the sentence.

Ex Output:
a pergon on a gurfboard riding in ocean waveg


Ex Input:
Sentence: 'a no parking sign next to a car riding down a street'. Replace the letter 'g' with 'l' in the sentence.

Ex Output:
a no parkinl siln next to a car ridinl down a street


Ex Input:
Sentence: 'the kitten is nesting inside the empty bowl'. Replace the letter 's' with 'w' in the sentence.

Ex Output:

the kitten iw newting inwide the empty bowl