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 ":".
Controlling
the
fuel
and
the
temperature
is
the
main
skill
.
Controlling:O
the:O
fuel:O
and:O
the:O
temperature:O
is:O
the:O
main:O
skill:O
.:O