With no explanation, label each line with "O", "location-mountain", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart", "building-airport" or "building-hospital" preceded by ":".
Igneous
rocks
in
the
Big
Smoky
Valley
are
predominantly
pre-Quaternary
.
Igneous:O
rocks:O
in:O
the:O
Big:location-mountain
Smoky:location-mountain
Valley:location-mountain
are:O
predominantly:O
pre-Quaternary:O
.:O