With no explanation, label each line with "O", "person-politician", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart", "building-airport" or "building-hospital" preceded by ":".
Several
of
the
local
roads
bear
the
names
of
Cromwell
's
officers
e.g
.
Several:O
of:O
the:O
local:O
roads:O
bear:O
the:O
names:O
of:O
Cromwell:person-politician
's:O
officers:O
e.g:O
.:O