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

Ex Input:
Sentence: 'a few zebras that are next to each other'. Replace the letter 'o' with 'u' in the sentence.

Ex Output:
a few zebras that are next tu each uther


Ex Input:
Sentence: 'a skier with his legs covered in snow lifts one of his feet to stamp it'. Replace the letter 's' with 'y' in the sentence.

Ex Output:
a ykier with hiy legy covered in ynow lifty one of hiy feet to ytamp it


Ex Input:
Sentence: 'two motorcycles parked what a person is sitting on a third motorcycle'. Replace the letter 'l' with 'j' in the sentence.

Ex Output:

two motorcycjes parked what a person is sitting on a third motorcycje