With no explanation, label each line with "O", "organization-company", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart", "building-airport" or "building-hospital" preceded by ":".
The
diesels
that
replaced
them
were
built
by
the
Yorkshire
Engine
Company
but
with
declining
traffic
the
railway
system
closed
on
1
May
1970
.
The:O
diesels:O
that:O
replaced:O
them:O
were:O
built:O
by:O
the:O
Yorkshire:organization-company
Engine:organization-company
Company:organization-company
but:O
with:O
declining:O
traffic:O
the:O
railway:O
system:O
closed:O
on:O
1:O
May:O
1970:O
.:O