In this task, you need to replace a letter in the sentence with another given letter.
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Question: Sentence: 'a house cat sits on an oven door, sniffing the oven racks inside'. Replace the letter 'i' with 'y' in the sentence.

Answer: a house cat syts on an oven door, snyffyng the oven racks ynsyde


Question: Sentence: 'a man that is throwing a frizbee in the woods'. Replace the letter 'g' with 'u' in the sentence.

Answer: a man that is throwinu a frizbee in the woods


Question: Sentence: 'a man with a backpack on a motorcycle'. Replace the letter 't' with 'd' in the sentence.

Answer:
a man widh a backpack on a modorcycle