The bird then begins to preen and realign its feathers to restore them to their original structure, helping the bird to become waterproof again.
(The bird; begins; T:then) (The bird; to preen; ) (The bird; to realign; its feathers; to restore them to their original structure) (The bird; helping; the bird to become waterproof again) Context(The bird helping,List([0, 107))):(the bird; to become; waterproof; T:again)
The bird helping,List([0, 107))
The bird The bird The bird The bird the bird
begins to preen to realign helping to become
T:then
its feathers to restore them to their original structure
the bird to become waterproof again
waterproof T:again