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

Q: Sentence: 'a police officer on a horse is riding down the street'. Replace the letter 'h' with 'a' in the sentence.

A: a police officer on a aorse is riding down tae street
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Q: Sentence: 'two zebras are snuggling at the zoo in their display area'. Replace the letter 'e' with 'z' in the sentence.

A: two zzbras arz snuggling at thz zoo in thzir display arza
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Q: Sentence: 'two men are getting ready to ride their motorcycles'. Replace the letter 's' with 'x' in the sentence.

A:
two men are getting ready to ride their motorcyclex
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