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

Ex Input:
Sentence: 'picture of a gothic church with a blue sky in the background'. Replace the letter 'e' with 'i' in the sentence.

Ex Output:
picturi of a gothic church with a blui sky in thi background


Ex Input:
Sentence: 'a little kid that is eating an apple'. Replace the letter 'p' with 'j' in the sentence.

Ex Output:
a little kid that is eating an ajjle


Ex Input:
Sentence: 'the drive up area in front of a building'. Replace the letter 'o' with 'u' in the sentence.

Ex Output:

the drive up area in frunt uf a building