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

[Q]: Sentence: 'a baby pokes his head out of a suitcase'. Replace the letter 'u' with 's' in the sentence.
[A]: a baby pokes his head ost of a ssitcase

[Q]: 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.
[A]: oze wall iz the room is flazked by a lovely piece of furziture which displays several object d'art

[Q]: Sentence: 'a young man turns on his skateboard mid-air over the concrete steps'. Replace the letter 'r' with 'u' in the sentence.
[A]:
a young man tuuns on his skateboaud mid-aiu oveu the concuete steps