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

[EX Q]: Sentence: 'a family opens gifts in a room with their dog, while sitting on couches'. Replace the letter 's' with 'l' in the sentence.
[EX A]: a family openl giftl in a room with their dog, while litting on couchel

[EX Q]: Sentence: 'closeup of two teddy bears in red scarves and a brown teddy bear'. Replace the letter 'i' with 'y' in the sentence.
[EX A]: closeup of two teddy bears yn red scarves and a brown teddy bear

[EX Q]: Sentence: 'a surfer riding a surf board in the ocean'. Replace the letter 'o' with 'k' in the sentence.
[EX A]:
a surfer riding a surf bkard in the kcean