With no explanation, label each line with "O", "product-train", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart", "building-airport" or "building-hospital" preceded by ":".
These
two
train
operated
as
EuroCity
services
,
but
had
the
same
stopping
pattern
as
IR
services
.
These:O
two:O
train:O
operated:O
as:O
EuroCity:product-train
services:O
,:O
but:O
had:O
the:O
same:O
stopping:O
pattern:O
as:O
IR:O
services:O
.:O