With no explanation, label each line with "O", "organization-other", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart", "building-airport" or "building-hospital" preceded by ":".
He
was
Research
Scientist
at
Commonwealth
Scientific
and
Industrial
Research
Organisation
from
1956
to
1968
and
was
Chief
Research
Scientist
from
1968
to
1977
.
He:O
was:O
Research:O
Scientist:O
at:O
Commonwealth:organization-other
Scientific:organization-other
and:organization-other
Industrial:organization-other
Research:organization-other
Organisation:organization-other
from:O
1956:O
to:O
1968:O
and:O
was:O
Chief:O
Research:O
Scientist:O
from:O
1968:O
to:O
1977:O
.:O