With no explanation, label each line with "person-soldier", "O", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart", "building-airport" or "building-hospital" preceded by ":".
Field
Marshal
Montgomery
held
a
reception
on
board
the
flagship
,
the
aircraft
carrier
.
Field:O
Marshal:O
Montgomery:person-soldier
held:O
a:O
reception:O
on:O
board:O
the:O
flagship:O
,:O
the:O
aircraft:O
carrier:O
.:O