With no explanation, label each line with "O", "location-park", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart", "building-airport" or "building-hospital" preceded by ":".
In
the
early
20th
century
,
the
area
now
known
as
Chaffee
Park
was
a
semi-rural
area
of
truck
farms
interspersed
with
houses
.
In:O
the:O
early:O
20th:O
century:O
,:O
the:O
area:O
now:O
known:O
as:O
Chaffee:location-park
Park:location-park
was:O
a:O
semi-rural:O
area:O
of:O
truck:O
farms:O
interspersed:O
with:O
houses:O
.:O