With no explanation, label each line with "O", "other-chemicalthing", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart", "building-airport" or "building-hospital" preceded by ":".
From
the
beginning
,
inhabitants
made
a
living
by
extracting
salt
from
the
brackish
waters
of
the
surrounding
lake
.
From:O
the:O
beginning:O
,:O
inhabitants:O
made:O
a:O
living:O
by:O
extracting:O
salt:other-chemicalthing
from:O
the:O
brackish:O
waters:O
of:O
the:O
surrounding:O
lake:O
.:O