With no explanation, label each line with "O", "organization-religion", "person-politician", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart" or "building-airport" preceded by ":".
Several
factors
,
including
attitudes
to
his
vocal
opposition
to
slavery
,
his
support
for
immigrants
and
Catholics
,
and
his
association
with
editor
and
political
boss
Thurlow
Weed
,
worked
against
him
,
and
Abraham
Lincoln
secured
the
presidential
nomination
.
Several:O
factors:O
,:O
including:O
attitudes:O
to:O
his:O
vocal:O
opposition:O
to:O
slavery:O
,:O
his:O
support:O
for:O
immigrants:O
and:O
Catholics:organization-religion
,:O
and:O
his:O
association:O
with:O
editor:O
and:O
political:O
boss:O
Thurlow:person-politician
Weed:person-politician
,:O
worked:O
against:O
him:O
,:O
and:O
Abraham:person-politician
Lincoln:person-politician
secured:O
the:O
presidential:O
nomination:O
.:O