With no explanation, label each line with "O", "person-scholar", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart", "building-airport" or "building-hospital" preceded by ":".
The
first
4
winners
in
chronological
order
were
Michael
Stonebraker
,
Jim
Gray
,
Phil
Bernstein
and
David
DeWitt
.
The:O
first:O
4:O
winners:O
in:O
chronological:O
order:O
were:O
Michael:person-scholar
Stonebraker:person-scholar
,:O
Jim:person-scholar
Gray:person-scholar
,:O
Phil:person-scholar
Bernstein:person-scholar
and:O
David:person-scholar
DeWitt:person-scholar
.:O