With no explanation, label each line with "O", "location-other", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart", "building-airport" or "building-hospital" preceded by ":".
Two
sluices
mark
the
location
of
Northwold
watermill
,
which
was
demolished
some
time
after
1938
.
Two:O
sluices:O
mark:O
the:O
location:O
of:O
Northwold:location-other
watermill:O
,:O
which:O
was:O
demolished:O
some:O
time:O
after:O
1938:O
.:O