In this task, you need to replace a letter in the sentence with another given letter.
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Question: Sentence: 'an old rusty car sits outside of an old building'. Replace the letter 'o' with 'r' in the sentence.

Answer: an rld rusty car sits rutside rf an rld building


Question: Sentence: 'a man is standing at the base ball triangle with bat in tow'. Replace the letter 'n' with 'c' in the sentence.

Answer: a mac is stacdicg at the base ball triacgle with bat ic tow


Question: Sentence: 'a flooded park bench and light pole behind a cluster of trees'. Replace the letter 't' with 'h' in the sentence.

Answer:
a flooded park bench and lighh pole behind a clusher of hrees