With no explanation, label each line with "location-GPE", "O", "location-road/railway/highway/transit", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart" or "building-airport" preceded by ":".
There
is
also
agricultural
land
close
by
the
town
,
on
fields
at
the
eastern
side
of
Harrow
on
the
Hill
,
on
Watford
Road
.
There:O
is:O
also:O
agricultural:O
land:O
close:O
by:O
the:O
town:O
,:O
on:O
fields:O
at:O
the:O
eastern:O
side:O
of:O
Harrow:location-GPE
on:O
the:O
Hill:O
,:O
on:O
Watford:location-road/railway/highway/transit
Road:location-road/railway/highway/transit
.:O