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
study
also
proved
survival
and
durability
on
par
with
sternotomy
.
The:O
study:O
also:O
proved:O
survival:O
and:O
durability:O
on:O
par:O
with:O
sternotomy:O
.:O