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 ":".
It
was
the
main
fault
along
which
the
2002
Denali
earthquake
occurred
,
which
was
measured
as
a
magnitude
of
7.9
``
Mw
''
.
It:O
was:O
the:O
main:O
fault:O
along:O
which:O
the:O
2002:O
Denali:location-GPE
earthquake:O
occurred:O
,:O
which:O
was:O
measured:O
as:O
a:O
magnitude:O
of:O
7.9:O
``:O
Mw:O
'':O
.:O