With no explanation, label each line with "O", "person-scholar", "person-other", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart" or "building-airport" preceded by ":".
Harry
is
guided
through
the
tournament
by
their
new
Defence
Against
the
Dark
Arts
professor
,
Alastor
``
Mad-Eye
''
Moody
,
who
turns
out
to
be
an
impostor
–
one
of
Voldemort
's
supporters
named
Barty
Crouch
,
Jr
.
in
disguise
,
who
secretly
entered
Harry
's
name
into
the
tournament
.
Harry:person-other
is:O
guided:O
through:O
the:O
tournament:O
by:O
their:O
new:O
Defence:O
Against:O
the:O
Dark:O
Arts:O
professor:O
,:O
Alastor:person-scholar
``:person-scholar
Mad-Eye:person-scholar
'':person-scholar
Moody:person-scholar
,:O
who:O
turns:O
out:O
to:O
be:O
an:O
impostor:O
–:O
one:O
of:O
Voldemort:person-other
's:O
supporters:O
named:O
Barty:person-other
Crouch:person-other
,:person-other
Jr:person-other
.:O
in:O
disguise:O
,:O
who:O
secretly:O
entered:O
Harry:person-other
's:O
name:O
into:O
the:O
tournament:O
.:O