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

[EX Q]: Sentence: 'a young boy riding his skateboard down the sidewalk'. Replace the letter 'd' with 'p' in the sentence.
[EX A]: a young boy riping his skateboarp pown the sipewalk

[EX Q]: Sentence: 'a man walking a horse on a dirt track'. Replace the letter 't' with 's' in the sentence.
[EX A]: a man walking a horse on a dirs srack

[EX Q]: Sentence: 'an elephant crosses a dirt road in front of a white truck'. Replace the letter 'f' with 'y' in the sentence.
[EX A]:
an elephant crosses a dirt road in yront oy a white truck