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 ":".
In
1939
,
Lin
went
to
Chicago
University
Medical
School
to
continue
her
research
.
In:O
1939:O
,:O
Lin:location-GPE
went:O
to:O
Chicago:organization-education
University:organization-education
Medical:organization-education
School:organization-education
to:O
continue:O
her:O
research:O
.:O