With no explanation, label each line with "location-GPE", "O", "organization-other", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart" or "building-airport" preceded by ":".
Without
outside
support
and
surrounded
by
three
separate
British
forces
,
Montreal
fell
on
September
8
.
Without:O
outside:O
support:O
and:O
surrounded:O
by:O
three:O
separate:O
British:organization-other
forces:O
,:O
Montreal:location-GPE
fell:O
on:O
September:O
8:O
.:O