With no explanation, label each line with "O", "organization-government/governmentagency", "organization-other", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart" or "building-airport" preceded by ":".
By
this
time
,
guests
from
other
Concordia
Clubs
from
all
around
were
attending
National
Council
meetings
,
and
Alpha
chapter
was
busy
building
a
new
house
.
By:O
this:O
time:O
,:O
guests:O
from:O
other:O
Concordia:organization-other
Clubs:organization-other
from:O
all:O
around:O
were:O
attending:O
National:organization-government/governmentagency
Council:organization-government/governmentagency
meetings:organization-government/governmentagency
,:O
and:O
Alpha:organization-other
chapter:organization-other
was:O
busy:O
building:O
a:O
new:O
house:O
.:O