Bats use sound echoes to navigate and hunt.
(Bats; use; sound echoes; to navigate and hunt) Context(Bats use,List([0, 8))):(Bats; use sound echoes to navigate; ) Context(Bats use,List([0, 8))):(Bats; use sound echoes to hunt; )
Bats use,List([0, 8)) Bats use,List([0, 8))
Bats Bats Bats
use use sound echoes to navigate use sound echoes to hunt
sound echoes to navigate and hunt