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 ":".
He
was
educated
at
Washington
University
in
St.
Louis
.
He:O
was:O
educated:O
at:O
Washington:organization-education
University:organization-education
in:O
St.:location-GPE
Louis:location-GPE
.:O