Classify each of the following as either a title by Margaret Atwood or Mary Shelley: The Handmaid's Tale, The Testaments, The Edible Woman, Oryx and Crake, The Year of the Flood, Frankenstein, The Last Man, Lodore, The Mortal Immortal, Maurice
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### Instruction:
Classify each of the following as either a title by Margaret Atwood or Mary Shelley: The Handmaid's Tale, The Testaments, The Edible Woman, Oryx and Crake, The Year of the Flood, Frankenstein, The Last Man, Lodore, The Mortal Immortal, Maurice

### Response:

Margaret Atwood: The Handmaid's Tale, The Testaments, The Edible Woman, Oryx and Crake, The Year of the Flood
Mary Shelley: Frankenstein, The Last Man, Lodore, The Mortal Immortal, Maurice