With no explanation, label each line with "location-GPE", "O", "location-road/railway/highway/transit", "location-island", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting" or "art-writtenart" preceded by ":".
The
opening
of
the
Rickenbacker
Causeway
in
1947
connected
Virginia
Key
and
Key
Biscayne
with
the
mainland
and
vehicular
travel
began
.
The:O
opening:O
of:O
the:O
Rickenbacker:location-road/railway/highway/transit
Causeway:location-road/railway/highway/transit
in:O
1947:O
connected:O
Virginia:location-island
Key:location-island
and:O
Key:location-GPE
Biscayne:location-GPE
with:O
the:O
mainland:O
and:O
vehicular:O
travel:O
began:O
.:O