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

[EX Q]: Sentence: 'a teddy bear dressed in denim is laying on a floor'. Replace the letter 'i' with 'd' in the sentence.
[EX A]: a teddy bear dressed dn dendm ds laydng on a floor

[EX Q]: Sentence: 'a man wearing a hat has his cell phone to his ear'. Replace the letter 'g' with 'w' in the sentence.
[EX A]: a man wearinw a hat has his cell phone to his ear

[EX Q]: Sentence: 'a group of people walking on a sandy beach holding surfboards'. Replace the letter 'y' with 'c' in the sentence.
[EX A]:
a group of people walking on a sandc beach holding surfboards