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

Q: Sentence: 'a red stop sign sitting on the side of a road'. Replace the letter 'r' with 'o' in the sentence.

A: a oed stop sign sitting on the side of a ooad
****
Q: Sentence: 'a person and a dog are on a bench'. Replace the letter 'e' with 'r' in the sentence.

A: a prrson and a dog arr on a brnch
****
Q: Sentence: 'an large elephant walking in between some trees'. Replace the letter 't' with 'v' in the sentence.

A:
an large elephanv walking in bevween some vrees
****