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

[EX Q]: Sentence: 'a girl riding a horse is jumping the log'. Replace the letter 'a' with 't' in the sentence.
[EX A]: t girl riding t horse is jumping the log

[EX Q]: Sentence: 'a red stop sign sitting on the side of a road'. Replace the letter 'r' with 'o' in the sentence.
[EX A]: a oed stop sign sitting on the side of a ooad

[EX Q]: Sentence: 'a skiier posing in front of a sign on a ski slope'. Replace the letter 's' with 'l' in the sentence.
[EX A]:
a lkiier poling in front of a lign on a lki llope