With no explanation, label each line with "location-GPE", "O", "person-politician", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart" or "building-airport" preceded by ":".
William
Mercer
Owens
Dawson
(
May
21
,
1853March
12
,
1916
)
was
the
12th
Governor
of
West
Virginia
,
serving
from
1905
until
1909
.
William:person-politician
Mercer:person-politician
Owens:person-politician
Dawson:person-politician
(:O
May:O
21:O
,:O
1853March:O
12:O
,:O
1916:O
):O
was:O
the:O
12th:O
Governor:O
of:O
West:O
Virginia:location-GPE
,:O
serving:O
from:O
1905:O
until:O
1909:O
.:O