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 ":".
When
Drew
and
Jo
's
cousin
Oliver
,
dressed
as
the
Blue
Stinger
Borg
,
came
for
a
visit
,
the
Magnavores
mistook
him
for
the
real
one
.
When:O
Drew:person-other
and:O
Jo:person-other
's:O
cousin:O
Oliver:person-other
,:O
dressed:O
as:O
the:O
Blue:person-other
Stinger:person-other
Borg:person-other
,:O
came:O
for:O
a:O
visit:O
,:O
the:O
Magnavores:O
mistook:O
him:O
for:O
the:O
real:O
one:O
.:O