Classify each of these as extinct, not extinct, or neither: Mythosaur, Triceratops, Dumbo Octopus, Dodo, Tiger, Lion turtle, Megalodon, Dire wolf, Pegasus, Seahorse
Extinct: Triceratops, Dodo, Megalodon, Dire wolf
Not Extinct: Dumbo Octopus, Tiger, Seahorse
Neither: Mythosaur, Lion Turtle, Pegasus
Below is an instruction that describes a task, paired with an input that provides further context. Write a response that appropriately completes the request.
### Instruction: Classify each of these as extinct, not extinct, or neither: Mythosaur, Triceratops, Dumbo Octopus, Dodo, Tiger, Lion turtle, Megalodon, Dire wolf, Pegasus, Seahorse
### Input: 
### Response: Extinct: Triceratops, Dodo, Megalodon, Dire wolf
Not Extinct: Dumbo Octopus, Tiger, Seahorse
Neither: Mythosaur, Lion Turtle, Pegasus