With no explanation, label each line with "building-other", "O", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart", "building-airport" or "building-hospital" preceded by ":".
Next
door
to
Ottawa
City
Hall
is
Cartier
Square
Drill
Hall
,
from
which
the
daily
'Changing
of
the
Guard
'
procession
begins
.
Next:O
door:O
to:O
Ottawa:building-other
City:building-other
Hall:building-other
is:O
Cartier:building-other
Square:building-other
Drill:building-other
Hall:building-other
,:O
from:O
which:O
the:O
daily:O
'Changing:O
of:O
the:O
Guard:O
':O
procession:O
begins:O
.:O