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

Q: Sentence: 'a boy taking a nap with his dog on a bed'. Replace the letter 'o' with 'i' in the sentence.

A: a biy taking a nap with his dig in a bed
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Q: Sentence: 'a open entrance leading to a set of closed doors'. Replace the letter 'd' with 'f' in the sentence.

A: a open entrance leafing to a set of closef foors
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Q: Sentence: 'a wooden and metal bench on the ground'. Replace the letter 'w' with 'n' in the sentence.

A:
a nooden and metal bench on the ground
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