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

[Q]: Sentence: 'a person under an open umbrella in the sand'. Replace the letter 'd' with 'h' in the sentence.
[A]: a person unher an open umbrella in the sanh

[Q]: Sentence: 'there is a big room with furniture and items inside'. Replace the letter 'e' with 'k' in the sentence.
[A]: thkrk is a big room with furniturk and itkms insidk

[Q]: Sentence: 'a man wearing a bright red shirt gets his picture taken by a lady in a bright pink shirt'. Replace the letter 't' with 'u' in the sentence.
[A]:
a man wearing a brighu red shiru geus his picuure uaken by a lady in a brighu pink shiru