In this task, you need to replace a letter in the sentence with another given letter.
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Question: Sentence: 'a bunch of signs on a pole on the street'. Replace the letter 'c' with 's' in the sentence.

Answer: a bunsh of signs on a pole on the street


Question: Sentence: 'a shot looks down on a person riding a long board'. Replace the letter 'o' with 'u' in the sentence.

Answer: a shut luuks duwn un a persun riding a lung buard


Question: Sentence: 'its a sunny day and the train is moving over the bridge'. Replace the letter 'd' with 'l' in the sentence.

Answer:
its a sunny lay anl the train is moving over the brilge