instruction:
In this task, you need to replace a letter in the sentence with another given letter.
question:
Sentence: 'a police officer on a horse is riding down the street'. Replace the letter 'h' with 'a' in the sentence.
answer:
a police officer on a aorse is riding down tae street


question:
Sentence: 'a street side tree is filled with candles, teddy bears and balloons'. Replace the letter 'e' with 'c' in the sentence.
answer:
a strcct sidc trcc is fillcd with candlcs, tcddy bcars and balloons


question:
Sentence: 'several small boats parked along a river deck'. Replace the letter 'm' with 'v' in the sentence.
answer:

several svall boats parked along a river deck