With no explanation, label each line with "O", "organization-company", "organization-other", "location-GPE", "person-other", "art-broadcastprogram", "art-film", "art-music", "art-other" or "art-painting" preceded by ":".
Narayanan
had
also
served
as
a
director
in
many
major
companies
of
India
including
Wipro
(
since
June
,
1997
)
,
Mahindra
&
amp
;
Mahindra
,
Apollo
Hospitals
and
Mittal
steel
.
Narayanan:person-other
had:O
also:O
served:O
as:O
a:O
director:O
in:O
many:O
major:O
companies:O
of:O
India:location-GPE
including:O
Wipro:organization-company
(:O
since:O
June:O
,:O
1997:O
):O
,:O
Mahindra:organization-company
&:O
amp:O
;:O
Mahindra:organization-company
,:O
Apollo:organization-other
Hospitals:organization-other
and:O
Mittal:organization-company
steel:organization-company
.:O