With no explanation, label each line with "O", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart", "building-airport", "building-hospital" or "building-hotel" preceded by ":".
This
property
became
the
nucleus
of
the
Boscombe
Manor
Estate
.
This:O
property:O
became:O
the:O
nucleus:O
of:O
the:O
Boscombe:O
Manor:O
Estate:O
.:O