With no explanation, label each line with "O", "person-politician", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart", "building-airport" or "building-hospital" preceded by ":".
Forkner
,
Rosevear
,
Mayor
Adams
,
and
other
community
leaders
spoke
at
the
rally
.
Forkner:person-politician
,:O
Rosevear:person-politician
,:O
Mayor:O
Adams:person-politician
,:O
and:O
other:O
community:O
leaders:O
spoke:O
at:O
the:O
rally:O
.:O