With no explanation, label each line with "O", "product-ship", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart", "building-airport" or "building-hospital" preceded by ":".
Most
observers
stated
that
USA
17
's
rigid
wing
sail
had
given
it
a
decisive
advantage
.
Most:O
observers:O
stated:O
that:O
USA:product-ship
17:product-ship
's:O
rigid:O
wing:O
sail:O
had:O
given:O
it:O
a:O
decisive:O
advantage:O
.:O