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 ":".
This
service
was
generally
operated
by
``
High
Speed
Trains
``
,
although
a
few
diagrams
use
eight-carriage
Class
222
``
Meridians
``
This:O
service:O
was:O
generally:O
operated:O
by:O
``:O
High:product-train
Speed:product-train
Trains:product-train
``:O
,:O
although:O
a:O
few:O
diagrams:O
use:O
eight-carriage:O
Class:O
222:O
``:O
Meridians:product-train
``:O