With no explanation, label each line with "O", "product-food", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart", "building-airport" or "building-hospital" preceded by ":".
The
2015
excavation
examined
a
feature
,
interpreted
as
a
cooking
pit
,
which
contained
a
significant
amount
of
ceramics
dated
to
the
Pre-Roman
Iron
Age
.
The:O
2015:O
excavation:O
examined:O
a:O
feature:O
,:O
interpreted:O
as:O
a:O
cooking:O
pit:O
,:O
which:O
contained:O
a:O
significant:O
amount:O
of:O
ceramics:O
dated:O
to:O
the:O
Pre-Roman:product-food
Iron:O
Age:O
.:O