With no explanation, label each line with "O", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart", "building-airport", "building-hospital" or "building-hotel" preceded by ":".
From
1992-2003
he
was
an
associate
editor
of
Journal
of
the
American
Chemical
Society
From:O
1992-2003:O
he:O
was:O
an:O
associate:O
editor:O
of:O
Journal:O
of:O
the:O
American:O
Chemical:O
Society:O