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

Q: Sentence: 'a plane getting ready to land on a runway'. Replace the letter 'n' with 'o' in the sentence.

A: a plaoe gettiog ready to laod oo a ruoway
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Q: Sentence: 'a few zebras that are next to each other'. Replace the letter 'o' with 'u' in the sentence.

A: a few zebras that are next tu each uther
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Q: Sentence: 'the cargo train is headed to the next destination'. Replace the letter 'h' with 'x' in the sentence.

A:
txe cargo train is xeaded to txe next destination
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