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

Q: Sentence: 'a suitcase is sitting on a sidewalk near trees'. Replace the letter 's' with 'd' in the sentence.

A: a duitcade id ditting on a didewalk near treed
****
Q: Sentence: 'a group of people walking along a dirty snow covered road'. Replace the letter 'n' with 'i' in the sentence.

A: a group of people walkiig aloig a dirty siow covered road
****
Q: Sentence: 'plat bread pizza with bbq chicken on it'. Replace the letter 'i' with 'w' in the sentence.

A:
plat bread pwzza wwth bbq chwcken on wt
****