With no explanation, label each line with "location-GPE", "O", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart", "building-airport" or "building-hospital" preceded by ":".
During
the
night
of
30–31
October
there
had
already
been
three
minor
foreshocks
,
with
the
strongest
at
03:27
(
a
magnitude
of
3.5
on
the
Richter
Scale
,
IV–V
on
the
Mercalli
intensity
scale
)
.
During:O
the:O
night:O
of:O
30–31:O
October:O
there:O
had:O
already:O
been:O
three:O
minor:O
foreshocks:O
,:O
with:O
the:O
strongest:O
at:O
03:27:O
(:O
a:O
magnitude:O
of:O
3.5:O
on:O
the:O
Richter:O
Scale:O
,:O
IV–V:O
on:O
the:O
Mercalli:location-GPE
intensity:O
scale:O
):O
.:O