With no explanation, label each line with "O", "location-island", "person-other", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart" or "building-airport" preceded by ":".
Police
feared
that
Lennon
fans
might
storm
the
hospital
,
so
they
transferred
Chapman
to
Rikers
Island
for
his
personal
safety
.
Police:O
feared:O
that:O
Lennon:person-other
fans:O
might:O
storm:O
the:O
hospital:O
,:O
so:O
they:O
transferred:O
Chapman:O
to:O
Rikers:location-island
Island:location-island
for:O
his:O
personal:O
safety:O
.:O