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

Q: Sentence: 'giraffe standing on a pile of rocks reaching up to a branch with its mouth'. Replace the letter 'g' with 'n' in the sentence.

A: niraffe standinn on a pile of rocks reachinn up to a branch with its mouth
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Q: Sentence: 'a house cat sits on an oven door, sniffing the oven racks inside'. Replace the letter 'i' with 'y' in the sentence.

A: a house cat syts on an oven door, snyffyng the oven racks ynsyde
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Q: Sentence: 'a white double decker bus parking in front of a brick building'. Replace the letter 'i' with 'z' in the sentence.

A:
a whzte double decker bus parkzng zn front of a brzck buzldzng
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