With no explanation, label each line with "building-other", "O", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart", "building-airport" or "building-hospital" preceded by ":".
The
station
is
away
from
Union
Station
,
the
eastern
terminus
of
the
line
.
The:O
station:O
is:O
away:O
from:O
Union:building-other
Station:building-other
,:O
the:O
eastern:O
terminus:O
of:O
the:O
line:O
.:O