Introduction Everyone is familiar with a compass needle---a small magnetized object, freely pivoted so that it lines up in a magnetic North-South direction.
(Introduction Everyone; is; familiar with a compass needle) (it; lines up; L:in a magnetic North-South direction) (Introduction Everyone; is familiar with; a compass needle)
Introduction Everyone it Introduction Everyone
is lines up is familiar with
familiar with a compass needle
L:in a magnetic North-South direction
a compass needle