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

Ex Input:
Sentence: 'a bathroom that has a sink and a toilet'. Replace the letter 's' with 'a' in the sentence.

Ex Output:
a bathroom that haa a aink and a toilet

Ex Input:
Sentence: 'a toilet and a microwave sitting out for the trash'. Replace the letter 'i' with 's' in the sentence.

Ex Output:
a toslet and a mscrowave ssttsng out for the trash

Ex Input:
Sentence: 'a person holding a large pizza about ready to take a bite'. Replace the letter 'n' with 'j' in the sentence.

Ex Output:
a persoj holdijg a large pizza about ready to take a bite