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

Ex Input:
Sentence: 'wooden park bench sitting between two trees with grassy background'. Replace the letter 'i' with 'q' in the sentence.

Ex Output:
wooden park bench sqttqng between two trees wqth grassy background


Ex Input:
Sentence: 'a person jumping up in the air on a snowboard'. Replace the letter 'r' with 'o' in the sentence.

Ex Output:
a peoson jumping up in the aio on a snowboaod


Ex Input:
Sentence: 'several pieces of luggage sitting next too several moving boxes'. Replace the letter 'u' with 'i' in the sentence.

Ex Output:

several pieces of liggage sitting next too several moving boxes