With no explanation, label each line with "location-GPE", "O", "organization-education", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart" or "building-airport" preceded by ":".
2213
)
of
the
Harvard
University
in
Cambridge
.
2213:O
):O
of:O
the:O
Harvard:organization-education
University:organization-education
in:O
Cambridge:location-GPE
.:O