With no explanation, label each line with "O", "organization-education", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart", "building-airport" or "building-hospital" preceded by ":".
He
was
Dean
of
the
Royal
College
of
Science
(
1988-1989
)
,
and
Head
of
the
Biochemistry
Department
from
1989
to
1999
.
He:O
was:O
Dean:O
of:O
the:O
Royal:organization-education
College:organization-education
of:organization-education
Science:organization-education
(:O
1988-1989:O
):O
,:O
and:O
Head:O
of:O
the:O
Biochemistry:organization-education
Department:organization-education
from:O
1989:O
to:O
1999:O
.:O