With no explanation, label each line with "product-other", "O", "location-bodiesofwater", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart" or "building-airport" preceded by ":".
The
Detroit
River
International
Crossing
project
calls
for
a
second
bridge
to
be
built
across
the
Detroit
River
to
facilitate
increased
trade
and
ease
of
travel
.
The:O
Detroit:product-other
River:product-other
International:product-other
Crossing:product-other
project:O
calls:O
for:O
a:O
second:O
bridge:O
to:O
be:O
built:O
across:O
the:O
Detroit:location-bodiesofwater
River:location-bodiesofwater
to:O
facilitate:O
increased:O
trade:O
and:O
ease:O
of:O
travel:O
.:O