Identify which animal species is alive or extinct: Pliosaur, Marine Iguana
Pliosaur is extinct, Marine Iguana is alive.
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: Identify which animal species is alive or extinct: Pliosaur, Marine Iguana
### Input: 
### Response: Pliosaur is extinct, Marine Iguana is alive.