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

[EX Q]: Sentence: 'a couple of giraffe standing next to each other'. Replace the letter 'i' with 'q' in the sentence.
[EX A]: a couple of gqraffe standqng next to each other

[EX Q]: Sentence: 'a person and a dog are on a bench'. Replace the letter 'e' with 'r' in the sentence.
[EX A]: a prrson and a dog arr on a brnch

[EX Q]: Sentence: 'a snowboarder and a skier on a ski slope'. Replace the letter 'e' with 'b' in the sentence.
[EX A]:
a snowboardbr and a skibr on a ski slopb