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

[EX Q]: Sentence: 'a hipster riding a skateboard up the side of a wall'. Replace the letter 's' with 'm' in the sentence.
[EX A]: a hipmter riding a mkateboard up the mide of a wall

[EX Q]: Sentence: 'a brown door  that says gentlemen and a toilet'. Replace the letter 'o' with 'f' in the sentence.
[EX A]: a brfwn dffr  that says gentlemen and a tfilet

[EX Q]: Sentence: 'a man is smiling in a brown vest and dark tie'. Replace the letter 's' with 'f' in the sentence.
[EX A]:
a man if fmiling in a brown veft and dark tie