The reason for this is the objects contain particles of ferrous material , often iron , that is attracted to the magnet .
(often iron; is attracted; to the magnet) (The reason for this; is; the objects contain particles of ferrous material) Context(The reason for this is,List([0, 22))):(the objects; contain; particles of ferrous material)
The reason for this is,List([0, 22))
often iron The reason for this the objects
is attracted is contain
to the magnet
the objects contain particles of ferrous material
particles of ferrous material