In this task, you need to replace a letter in the sentence with another given letter.
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Question: Sentence: 'a family opens gifts in a room with their dog, while sitting on couches'. Replace the letter 's' with 'l' in the sentence.

Answer: a family openl giftl in a room with their dog, while litting on couchel


Question: Sentence: 'a woman holding the arm of a life size teddy bear in a guard outfit'. Replace the letter 'g' with 'a' in the sentence.

Answer: a woman holdina the arm of a life size teddy bear in a auard outfit


Question: Sentence: 'someone is holding a plate of food over a pool'. Replace the letter 'a' with 'x' in the sentence.

Answer:
someone is holding x plxte of food over x pool