When the scientists came in contact with the core samples, they exposed themselves to an alien organism that had remained dormant beneath the Arctic Ice.
(the scientists; came; in contact with the core samples) (they; exposed; themselves; to an alien organism; T:When the scientists came in contact with the core samples) (an alien organism; had remained; dormant; L:beneath the Arctic Ice)
the scientists they an alien organism
came exposed had remained
in contact with the core samples
themselves to an alien organism T:When the scientists came in contact with the core samples
dormant L:beneath the Arctic Ice