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

Q: Sentence: 'a giraffe walking in its natural habitat on the savannah'. Replace the letter 't' with 'u' in the sentence.

A: a giraffe walking in ius nauural habiuau on uhe savannah
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Q: Sentence: 'a man that is holding a remote to a game'. Replace the letter 'a' with 'z' in the sentence.

A: z mzn thzt is holding z remote to z gzme
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Q: Sentence: 'two men are walking along the beach carrying their surfboards'. Replace the letter 's' with 'k' in the sentence.

A:
two men are walking along the beach carrying their kurfboardk
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