With no explanation, label each line with "O", "organization-education", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart", "building-airport" or "building-hospital" preceded by ":".
He
delivered
a
number
of
addresses
to
colleges
,
including
at
Princeton
in
1851
and
at
Wake
Forest
in
1858
.
He:O
delivered:O
a:O
number:O
of:O
addresses:O
to:O
colleges:O
,:O
including:O
at:O
Princeton:organization-education
in:O
1851:O
and:O
at:O
Wake:organization-education
Forest:organization-education
in:O
1858:O
.:O