With no explanation, label each line with "O", "event-other", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart", "building-airport" or "building-hospital" preceded by ":".
In
1920
he
was
beaten
by
police
in
a
riot
during
the
Floral
Games
celebrations
.
In:O
1920:O
he:O
was:O
beaten:O
by:O
police:O
in:O
a:O
riot:O
during:O
the:O
Floral:event-other
Games:event-other
celebrations:event-other
.:O