With no explanation, label each line with "O", "location-road/railway/highway/transit", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart", "building-airport" or "building-hospital" preceded by ":".
It
is
located
at
the
intersection
of
Connecticut
Avenue
and
Calvert
Street
.
It:O
is:O
located:O
at:O
the:O
intersection:O
of:O
Connecticut:location-road/railway/highway/transit
Avenue:location-road/railway/highway/transit
and:O
Calvert:location-road/railway/highway/transit
Street:location-road/railway/highway/transit
.:O