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
served
at
the
Department
of
Agricultural
Engineering
as
an
assistant
lecturer
from
1994
to
1996
and
joined
Sabaragamuwa
University
of
Sri
Lanka
as
a
lecturer
in
1996
and
served
till
1998
.
He:O
served:O
at:O
the:O
Department:organization-education
of:organization-education
Agricultural:organization-education
Engineering:organization-education
as:O
an:O
assistant:O
lecturer:O
from:O
1994:O
to:O
1996:O
and:O
joined:O
Sabaragamuwa:organization-education
University:organization-education
of:organization-education
Sri:organization-education
Lanka:organization-education
as:O
a:O
lecturer:O
in:O
1996:O
and:O
served:O
till:O
1998:O
.:O