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

Q: Sentence: 'a gray elephant standing next to green bushes'. Replace the letter 'e' with 'o' in the sentence.

A: a gray olophant standing noxt to groon bushos
****
Q: Sentence: 'a black velvety chair with chrome colored frame'. Replace the letter 'a' with 'z' in the sentence.

A: z blzck velvety chzir with chrome colored frzme
****
Q: Sentence: 'a surf board shop with an assortment of different boards'. Replace the letter 'f' with 'x' in the sentence.

A:
a surx board shop with an assortment ox dixxerent boards
****