The long, bushy tail, sometimes called a sweep, helps the fox change direction quickly and keeps the fox's feet and nose warm when it curls up to sleep.
(The long, bushy tail; called; a sweep; T:sometimes) (The long, bushy tail; helps quickly; T:sometimes) (it; curls up; )
The long, bushy tail The long, bushy tail it
called helps quickly curls up
a sweep T:sometimes
T:sometimes