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

[Q]: Sentence: 'a no parking sign next to a car riding down a street'. Replace the letter 'g' with 'l' in the sentence.
[A]: a no parkinl siln next to a car ridinl down a street


[Q]: Sentence: 'people watching a kite being flown with a sky background'. Replace the letter 'a' with 'b' in the sentence.
[A]: people wbtching b kite being flown with b sky bbckground


[Q]: Sentence: 'some colorful calla lillies standing next to a little tree on the side of the road'. Replace the letter 'l' with 'a' in the sentence.
[A]:
some coaorfua caaaa aiaaies standing next to a aittae tree on the side of the road