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 ":".
The
Fair
is
held
each
September
on
of
fairgrounds
known
as
Fairplex
(
Los
Angeles
County
Fair
,
hotel
and
exposition
complex
)
.
The:O
Fair:O
is:O
held:O
each:O
September:O
on:O
of:O
fairgrounds:O
known:O
as:O
Fairplex:event-other
(:O
Los:event-other
Angeles:event-other
County:event-other
Fair:event-other
,:O
hotel:O
and:O
exposition:O
complex:O
):O
.:O