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

[EX Q]: Sentence: 'a group of three giraffes standing around a fence'. Replace the letter 't' with 'a' in the sentence.
[EX A]: a group of ahree giraffes saanding around a fence

[EX Q]: Sentence: 'a large clock tower next to a building on a street'. Replace the letter 'c' with 'n' in the sentence.
[EX A]: a large nlonk tower next to a building on a street

[EX Q]: Sentence: 'someone is cooking their hot pockets in the microwave'. Replace the letter 'i' with 'o' in the sentence.
[EX A]:
someone os cookong theor hot pockets on the mocrowave

