With no explanation, label each line with "art-writtenart", "O", "person-artist/author", "event-attack/battle/war/militaryconflict", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting" or "building-airport" preceded by ":".
The
Panay
incident
is
an
important
part
of
the
background
in
Own
Sela
's
thriller
``
An
Exchange
of
Eagles
``
.
The:O
Panay:event-attack/battle/war/militaryconflict
incident:event-attack/battle/war/militaryconflict
is:O
an:O
important:O
part:O
of:O
the:O
background:O
in:O
Own:person-artist/author
Sela:person-artist/author
's:O
thriller:O
``:O
An:art-writtenart
Exchange:art-writtenart
of:art-writtenart
Eagles:art-writtenart
``:O
.:O