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

Q: Sentence: 'a black cat is sniffing a glass bottle'. Replace the letter 'c' with 'f' in the sentence.

A: a blafk fat is sniffing a glass bottle
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Q: Sentence: 'one wall in the room is flanked by a lovely piece of furniture which displays several object d'art'. Replace the letter 'n' with 'z' in the sentence.

A: oze wall iz the room is flazked by a lovely piece of furziture which displays several object d'art
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Q: Sentence: 'a man with scruffy hair wearing a tie and glasses'. Replace the letter 'r' with 'f' in the sentence.

A:
a man with scfuffy haif weafing a tie and glasses
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