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
was
shortened
to
Tsuen
Kam
Interchange
for
the
construction
of
MTR
Tsuen
Wan
line
.
It:O
was:O
shortened:O
to:O
Tsuen:location-road/railway/highway/transit
Kam:location-road/railway/highway/transit
Interchange:location-road/railway/highway/transit
for:O
the:O
construction:O
of:O
MTR:location-road/railway/highway/transit
Tsuen:location-road/railway/highway/transit
Wan:location-road/railway/highway/transit
line:location-road/railway/highway/transit
.:O