With no explanation, label each line with "O", "organization-company", "person-other", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart" or "building-airport" preceded by ":".
The
class
was
originally
designed
by
Peter
Drummond
,
whose
elder
(
and
better
known
)
brother
Dugald
had
been
in
the
company
's
locomotive
department
in
earlier
years
and
was
at
that
time
Chief
Mechanical
Engineer
of
the
London
and
South
Western
Railway
.
The:O
class:O
was:O
originally:O
designed:O
by:O
Peter:person-other
Drummond:person-other
,:O
whose:O
elder:O
(:O
and:O
better:O
known:O
):O
brother:O
Dugald:person-other
had:O
been:O
in:O
the:O
company:O
's:O
locomotive:O
department:O
in:O
earlier:O
years:O
and:O
was:O
at:O
that:O
time:O
Chief:O
Mechanical:O
Engineer:O
of:O
the:O
London:organization-company
and:organization-company
South:organization-company
Western:organization-company
Railway:organization-company
.:O