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 ":".
It
was
Pilot
Officer
Gilbert
,
who
was
destined
to
survive
the
war
.
It:O
was:O
Pilot:O
Officer:O
Gilbert:person-soldier
,:O
who:O
was:O
destined:O
to:O
survive:O
the:O
war:O
.:O