With no explanation, label each line with "O", "product-food", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart", "building-airport" or "building-hospital" preceded by ":".
Test
weight
of
wheat
is
considered
the
most
common
and
easiest
way
to
quantify
wheat
.
Test:O
weight:product-food
of:O
wheat:O
is:O
considered:O
the:O
most:O
common:O
and:O
easiest:O
way:O
to:O
quantify:O
wheat:product-food
.:O