With no explanation, label each line with "O", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart", "building-airport", "building-hospital" or "building-hotel" preceded by ":".
The
glider
was
similar
to
the
1900
version
,
but
had
larger
wings
.
The:O
glider:O
was:O
similar:O
to:O
the:O
1900:O
version:O
,:O
but:O
had:O
larger:O
wings:O
.:O