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

Ex Input:
Sentence: 'a person holding a small remote key chain'. Replace the letter 'n' with 'j' in the sentence.

Ex Output:
a persoj holdijg a small remote key chaij


Ex Input:
Sentence: 'a couple of people that are petting a horse'. Replace the letter 'e' with 'p' in the sentence.

Ex Output:
a couplp of ppoplp that arp pptting a horsp


Ex Input:
Sentence: 'two laptops and a computer monitor on a metal shelf'. Replace the letter 'a' with 'o' in the sentence.

Ex Output:

two loptops ond o computer monitor on o metol shelf