I believe this is an example of either situational or dramatic irony,
<span>The creates dramatic irony because the murderer Mary Maloney is asking the police to eat the murder weapon. ... Roald Dahl uses dramatic irony(a case when the reader knows something the characters don't) in “Lamb to the Slaughter” to develop a feeling of suspense in the reader, leaving them wanting more.
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Answer: well what i thought was that the person could be nice and helpful.
Explanation: