<|im_start|>user
Identify which of the following are episode titles from "The X-Files": The Pine Bluff Variant, My Teacher is an Alien, Memento Mori, The Day the Earth Stood Still, Millennium, Arcadia, The Matrix<|im_end|>
<|im_start|>assistant
The Pine Bluff Variant, Memento Mori, Millennium, Arcadia<|im_end|>
