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

[EX Q]: Sentence: 'a polar bear relaxing in a man-made pool'. Replace the letter 'r' with 'x' in the sentence.
[EX A]: a polax beax xelaxing in a man-made pool

[EX Q]: Sentence: 'a shot looks down on a person riding a long board'. Replace the letter 'o' with 'u' in the sentence.
[EX A]: a shut luuks duwn un a persun riding a lung buard

[EX Q]: Sentence: 'batter preparing to swing at ball during major baseball game'. Replace the letter 't' with 'p' in the sentence.
[EX A]:
bapper preparing po swing ap ball during major baseball game