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

[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: 'a white plate topped with two sandwich halves and a pile of potatoes chips'. Replace the letter 'o' with 'x' in the sentence.
[EX A]: a white plate txpped with twx sandwich halves and a pile xf pxtatxes chips

[EX Q]: Sentence: 'a bathroom is shown with a toilet, sink and a mirror'. Replace the letter 'o' with 'y' in the sentence.
[EX A]:
a bathryym is shywn with a tyilet, sink and a mirryr