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

Q: Sentence: 'a girl sitting in a chair eating a slice of pizza'. Replace the letter 'i' with 'x' in the sentence.

A: a gxrl sxttxng xn a chaxr eatxng a slxce of pxzza
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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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Q: Sentence: 'there are two pictures of the same man playing tennis'. Replace the letter 'w' with 'n' in the sentence.

A:
there are tno pictures of the same man playing tennis
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