With no explanation, label each line with "building-other", "O", "location-other", "person-scholar", "other-livingthing", "art-broadcastprogram", "art-film", "art-music", "art-other" or "art-painting" preceded by ":".
Paleontologist
Earl
Douglass
of
the
Carnegie
Museum
discovered
eight
vertebra
of
an
Apatosaurus
on
August
17
,
1909
,
which
became
the
first
dinosaur
skeleton
discovered
and
excavated
at
the
new
Carnegie
Quarry
.
Paleontologist:O
Earl:person-scholar
Douglass:person-scholar
of:O
the:O
Carnegie:building-other
Museum:building-other
discovered:O
eight:O
vertebra:O
of:O
an:O
Apatosaurus:other-livingthing
on:O
August:O
17:O
,:O
1909:O
,:O
which:O
became:O
the:O
first:O
dinosaur:O
skeleton:O
discovered:O
and:O
excavated:O
at:O
the:O
new:O
Carnegie:location-other
Quarry:location-other
.:O