With no explanation, label each line with "O", "person-other", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart", "building-airport" or "building-hospital" preceded by ":".
Morse
goes
to
the
extreme
of
employing
a
known
house
burglar
and
lock
expert
to
learn
more
about
Owens
.
Morse:person-other
goes:O
to:O
the:O
extreme:O
of:O
employing:O
a:O
known:O
house:O
burglar:O
and:O
lock:O
expert:O
to:O
learn:O
more:O
about:O
Owens:person-other
.:O