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

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 man that is throwing a frizbee in the woods'. Replace the letter 'g' with 'u' in the sentence.

Ex Output:
a man that is throwinu a frizbee in the woods

Ex Input:
Sentence: 'several boats are docked on water near a lighthouse'. Replace the letter 'e' with 'v' in the sentence.

Ex Output:
svvvral boats arv dockvd on watvr nvar a lighthousv