Surprisingly fast for their bulk, the Polar bear lives mainly on seals, fish, seabirds, arctic hares, caribou and musk oxen, and in the summer it also east berries and leaves of tundra plants.
(the Polar; bear; lives) (it; also east; berries and leaves of tundra plants; L:in the summer)
the Polar it
bear also east
lives
berries and leaves of tundra plants L:in the summer