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

[EX Q]: Sentence: 'a black velvety chair with chrome colored frame'. Replace the letter 'a' with 'z' in the sentence.
[EX A]: z blzck velvety chzir with chrome colored frzme

[EX Q]: Sentence: 'a broken suitcase on a small tile floor with the contents exposed'. Replace the letter 'u' with 'z' in the sentence.
[EX A]: a broken szitcase on a small tile floor with the contents exposed

[EX Q]: Sentence: 'the bear cub at the zoo is sitting with all four paws in the water'. Replace the letter 's' with 'g' in the sentence.
[EX A]:
the bear cub at the zoo ig gitting with all four pawg in the water