With no explanation, label each line with "O", "organization-education", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart", "building-airport" or "building-hospital" preceded by ":".
The
chapter
of
Valparaiso
University
was
established
in
the
spring
of
1999
.
The:O
chapter:O
of:O
Valparaiso:organization-education
University:organization-education
was:O
established:O
in:O
the:O
spring:O
of:O
1999:O
.:O