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 ":".
The
Allies
needed
to
pass
the
Dardanelles
strait
in
order
to
supply
Russia
.
The:O
Allies:O
needed:O
to:O
pass:O
the:O
Dardanelles:location-GPE
strait:O
in:O
order:O
to:O
supply:O
Russia:location-GPE
.:O