With no explanation, label each line with "location-GPE", "O", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart", "building-airport" or "building-hospital" preceded by ":".
Since
the
British
troops
had
control
of
the
town
,
they
proceed
to
search
for
and
destroy
the
stockpiled
supplies
.
Since:O
the:O
British:location-GPE
troops:O
had:O
control:O
of:O
the:O
town:O
,:O
they:O
proceed:O
to:O
search:O
for:O
and:O
destroy:O
the:O
stockpiled:O
supplies:O
.:O