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

Ex Input:
Sentence: 'a man in blazer holding a tie over his eyes'. Replace the letter 's' with 'e' in the sentence.

Ex Output:
a man in blazer holding a tie over hie eyee


Ex Input:
Sentence: 'a man with scruffy hair wearing a tie and glasses'. Replace the letter 'r' with 'f' in the sentence.

Ex Output:
a man with scfuffy haif weafing a tie and glasses


Ex Input:
Sentence: 'a tv sitting on top of a counter inside of a store'. Replace the letter 'i' with 'v' in the sentence.

Ex Output:

a tv svttvng on top of a counter vnsvde of a store