They have short tails and fur on their foot pads to help them to keep warm.
(They; have; short tails and fur; L:on their foot pads) Context(They have,List([0, 9))):(They; have short tails and fur to help; them to keep warm) Context(They have to help,List([0, 56))):(them; to keep; warm)
They have,List([0, 9)) They have to help,List([0, 56))
They They them
have have short tails and fur to help to keep
short tails and fur L:on their foot pads
them to keep warm
warm