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 ":".
Maintaining
internal
core
body
temperature
is
crucial
to
a
marathon
runner
's
performance
and
health
.
Maintaining:O
internal:O
core:O
body:O
temperature:O
is:O
crucial:O
to:O
a:O
marathon:O
runner:O
's:O
performance:O
and:O
health:O
.:O