With no explanation, label each line with "O", "person-scholar", "organization-education", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart" or "building-airport" preceded by ":".
Xu
Jianbin
(
)
is
a
professor
in
the
department
of
electronic
engineering
and
director
of
material
research
center
at
The
Chinese
University
of
Hong
Kong
(
CUHK
)
.
Xu:person-scholar
Jianbin:person-scholar
(:O
):O
is:O
a:O
professor:O
in:O
the:O
department:O
of:O
electronic:O
engineering:O
and:O
director:O
of:O
material:O
research:O
center:O
at:O
The:organization-education
Chinese:organization-education
University:organization-education
of:organization-education
Hong:organization-education
Kong:organization-education
(:O
CUHK:organization-education
):O
.:O