With no explanation, label each line with "building-library", "O", "event-other", "person-other", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting" or "art-writtenart" preceded by ":".
From
April
14–22
,
2016
,
students
from
Columbia
Divest
for
Climate
Justice
conducted
a
peaceful
sit-in
outside
of
President
Lee
Bollinger
's
office
in
Low
Library
to
demand
divestment
from
the
top
200
publicly
traded
fossil
fuel
companies
.
From:O
April:O
14–22:O
,:O
2016:O
,:O
students:O
from:O
Columbia:event-other
Divest:event-other
for:event-other
Climate:event-other
Justice:event-other
conducted:O
a:O
peaceful:O
sit-in:O
outside:O
of:O
President:O
Lee:person-other
Bollinger:person-other
's:O
office:O
in:O
Low:building-library
Library:building-library
to:O
demand:O
divestment:O
from:O
the:O
top:O
200:O
publicly:O
traded:O
fossil:O
fuel:O
companies:O
.:O