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

[EX Q]: Sentence: 'a man on a surfboard riding on the waters waves'. Replace the letter 's' with 'k' in the sentence.
[EX A]: a man on a kurfboard riding on the waterk wavek

[EX Q]: Sentence: 'a dog laying in front of a horses stall with the horse peeking over the half door'. Replace the letter 'a' with 'b' in the sentence.
[EX A]: b dog lbying in front of b horses stbll with the horse peeking over the hblf door

[EX Q]: Sentence: 'a man is riding his skate board in the street'. Replace the letter 'e' with 'o' in the sentence.
[EX A]:
a man is riding his skato board in tho stroot