With no explanation, label each line with "location-GPE", "O", "location-bodiesofwater", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart" or "building-airport" preceded by ":".
The
Austrian
army
fought
a
rear
guard
action
at
the
crossing
of
the
Tagliamento
River
but
was
defeated
and
withdrew
to
the
northeast
.
The:O
Austrian:location-GPE
army:O
fought:O
a:O
rear:O
guard:O
action:O
at:O
the:O
crossing:O
of:O
the:O
Tagliamento:location-bodiesofwater
River:location-bodiesofwater
but:O
was:O
defeated:O
and:O
withdrew:O
to:O
the:O
northeast:O
.:O