With no explanation, label each line with "O", "location-mountain", "organization-company", "location-GPE", "organization-education", "person-other", "art-broadcastprogram", "art-film", "art-music" or "art-other" preceded by ":".
Through
Mountain
Madness
,
Fischer
guided
the
1993
Climb
for
the
Cure
on
Denali
(
20,320
feet
)
in
Alaska
which
was
organized
by
eight
students
at
Princeton
University
.
Through:O
Mountain:organization-company
Madness:organization-company
,:O
Fischer:person-other
guided:O
the:O
1993:O
Climb:O
for:O
the:O
Cure:location-mountain
on:O
Denali:location-GPE
(:O
20,320:O
feet:O
):O
in:O
Alaska:location-GPE
which:O
was:O
organized:O
by:O
eight:O
students:O
at:O
Princeton:organization-education
University:organization-education
.:O