With no explanation, label each line with "O", "person-other", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart", "building-airport" or "building-hospital" preceded by ":".
Shea
and
Chalmers
reveal
this
conspiracy
to
the
knights
and
assist
in
its
overthrow
.
Shea:person-other
and:O
Chalmers:person-other
reveal:O
this:O
conspiracy:O
to:O
the:O
knights:O
and:O
assist:O
in:O
its:O
overthrow:O
.:O