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

Ex Input:
Sentence: 'a ski slope consisting of several people wearing skis and snowboards'. Replace the letter 'e' with 's' in the sentence.

Ex Output:
a ski slops consisting of ssvsral psopls wsaring skis and snowboards

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 stainless steel and black toaster oven on a counter'. Replace the letter 'n' with 'v' in the sentence.

Ex Output:
a staivless steel avd black toaster ovev ov a couvter