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

Ex Input:
Sentence: 'street signs hanging next to a traffic light on a city street'. Replace the letter 'g' with 'm' in the sentence.

Ex Output:
street simns hanminm next to a traffic limht on a city street


Ex Input:
Sentence: 'one wall in the room is flanked by a lovely piece of furniture which displays several object d'art'. Replace the letter 'n' with 'z' in the sentence.

Ex Output:
oze wall iz the room is flazked by a lovely piece of furziture which displays several object d'art


Ex Input:
Sentence: 'a train on a track above a body of water'. Replace the letter 'f' with 'q' in the sentence.

Ex Output:

a train on a track above a body oq water