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

Q: Sentence: 'a gate with a stop sign blocking the road'. Replace the letter 'h' with 'y' in the sentence.

A: a gate wity a stop sign blocking tye road
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Q: Sentence: 'a zebra standing by a pile of large rocks'. Replace the letter 'i' with 'x' in the sentence.

A: a zebra standxng by a pxle of large rocks
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Q: Sentence: 'two zebras eating hay from a mesh bag on a tree outside with trees'. Replace the letter 'a' with 'b' in the sentence.

A:
two zebrbs ebting hby from b mesh bbg on b tree outside with trees
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