Many burrows are interconnected, so escape routes are left open if a predator chases a prairie dog down a burrow.
(a predator; chases; a prairie dog; down a burrow) (so escape routes; are left; open) Context(so escape routes are left,List([33, 58))):(Many burrows; are interconnected; )
so escape routes are left,List([33, 58))
a predator so escape routes Many burrows
chases are left are interconnected
a prairie dog down a burrow
open