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

Ex Input:
Sentence: 'a ping pong player is in a ready stance to return the ball'. Replace the letter 'n' with 'e' in the sentence.

Ex Output:
a pieg poeg player is ie a ready staece to reture the ball


Ex Input:
Sentence: 'a person holding a green cell phone in a classroom with many desks'. Replace the letter 'k' with 'w' in the sentence.

Ex Output:
a person holding a green cell phone in a classroom with many desws


Ex Input:
Sentence: 'a kitchen with a wall mounted oven with a center island'. Replace the letter 'i' with 's' in the sentence.

Ex Output:

a kstchen wsth a wall mounted oven wsth a center ssland