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 ":".
Lance
tries
to
save
his
sister
and
he
is
bitten
.
Lance:person-other
tries:O
to:O
save:O
his:O
sister:O
and:O
he:O
is:O
bitten:O
.:O