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

Ex Input:
Sentence: 'a person on a snowboard does an air trick'. Replace the letter 'n' with 'o' in the sentence.

Ex Output:
a persoo oo a soowboard does ao air trick

Ex Input:
Sentence: 'a large bedroom with art over the bed'. Replace the letter 'r' with 'o' in the sentence.

Ex Output:
a laoge bedooom with aot oveo the bed

Ex Input:
Sentence: 'a young baseball player throws the ball as others watch'. Replace the letter 'a' with 'n' in the sentence.

Ex Output:
n young bnsebnll plnyer throws the bnll ns others wntch