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

Q: Sentence: 'two people are passing a man playing a piano on the street'. Replace the letter 'o' with 'i' in the sentence.

A: twi peiple are passing a man playing a piani in the street
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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.

A: a family openl giftl in a room with their dog, while litting on couchel
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Q: Sentence: 'a guy looking at a tennis ball with a goofy look'. Replace the letter 'a' with 'x' in the sentence.

A:
x guy looking xt x tennis bxll with x goofy look
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