With no explanation, label each line with "O", "organization-other", "person-scholar", "organization-education", "person-other", "art-broadcastprogram", "art-film", "art-music", "art-other" or "art-painting" preceded by ":".
During
a
return
visit
to
Caltech
around
two
and
a
half
years
after
graduating
,
he
ran
into
Carver
Mead
,
who
was
hosting
Ivan
Sutherland
and
Bert
Sutherland
to
develop
some
collaborations
between
Caltech
and
Xerox
PARC
and
to
develop
a
computer
science
department
.
During:O
a:O
return:O
visit:O
to:O
Caltech:organization-education
around:O
two:O
and:O
a:O
half:O
years:O
after:O
graduating:O
,:O
he:O
ran:O
into:O
Carver:person-other
Mead:person-other
,:O
who:O
was:O
hosting:O
Ivan:person-scholar
Sutherland:person-scholar
and:O
Bert:person-scholar
Sutherland:person-scholar
to:O
develop:O
some:O
collaborations:O
between:O
Caltech:organization-education
and:O
Xerox:organization-other
PARC:organization-other
and:O
to:O
develop:O
a:O
computer:O
science:O
department:O
.:O