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

Q: Sentence: 'a street pole stating three different street names and numbers'. Replace the letter 'm' with 't' in the sentence.

A: a street pole stating three different street nates and nutbers
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Q: Sentence: 'some tracks for a rail way system near a building'. Replace the letter 'a' with 'h' in the sentence.

A: some trhcks for h rhil why system nehr h building
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Q: Sentence: 'the horse is walking in the grass field'. Replace the letter 's' with 'a' in the sentence.

A:
the horae ia walking in the graaa field
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