With no explanation, label each line with "O", "location-bodiesofwater", "person-other", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart" or "building-airport" preceded by ":".
The
Merovingians
were
capable
of
raising
naval
forces
:
the
naval
campaign
waged
against
the
Danes
by
Theuderic
I
in
515
involved
ocean-worthy
ships
and
rivercraft
were
used
on
the
Loire
,
Rhône
and
Rhine
.
The:O
Merovingians:O
were:O
capable:O
of:O
raising:O
naval:O
forces:O
::O
the:O
naval:O
campaign:O
waged:O
against:O
the:O
Danes:O
by:O
Theuderic:person-other
I:person-other
in:O
515:O
involved:O
ocean-worthy:O
ships:O
and:O
rivercraft:O
were:O
used:O
on:O
the:O
Loire:location-bodiesofwater
,:O
Rhône:location-bodiesofwater
and:O
Rhine:location-bodiesofwater
.:O