With no explanation, label each line with "O", "other-biologything", "person-scholar", "organization-media/newspaper", "organization-education", "art-broadcastprogram", "art-film", "art-music", "art-other" or "art-painting" preceded by ":".
Following
publications
in
``
Nature
``
and
elsewhere
setting
out
his
Protective
Cytokine
Hypothesis
explaining
the
role
of
the
cytokine
TGF-beta
1
in
the
cardiovascular
system
,
Grainger
was
appointed
principal
investigator
in
the
Department
of
Medicine
at
his
alma
mater
,
Cambridge
University
,
in
1997
.
Following:O
publications:O
in:O
``:O
Nature:organization-media/newspaper
``:O
and:O
elsewhere:O
setting:O
out:O
his:O
Protective:other-biologything
Cytokine:other-biologything
Hypothesis:other-biologything
explaining:O
the:O
role:O
of:O
the:O
cytokine:other-biologything
TGF-beta:other-biologything
1:other-biologything
in:O
the:O
cardiovascular:O
system:O
,:O
Grainger:person-scholar
was:O
appointed:O
principal:O
investigator:O
in:O
the:O
Department:O
of:O
Medicine:O
at:O
his:O
alma:O
mater:O
,:O
Cambridge:organization-education
University:organization-education
,:O
in:O
1997:O
.:O