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

Q: Sentence: 'a blue and white train is coming down some tracks'. Replace the letter 'b' with 'u' in the sentence.

A: a ulue and white train is coming down some tracks
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Q: Sentence: 'black and white image of a tattoo and piercing sign in a city'. Replace the letter 'e' with 'h' in the sentence.

A: black and whith imagh of a tattoo and pihrcing sign in a city
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Q: Sentence: 'a cute young child in a funny hat smiling'. Replace the letter 'h' with 'i' in the sentence.

A:
a cute young ciild in a funny iat smiling
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