With no explanation, label each line with "O", "product-software", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart", "building-airport" or "building-hospital" preceded by ":".
On
12
April
2010
,
the
final
version
of
.
NET
Framework
4.0
was
launched
alongside
the
final
release
of
Microsoft
Visual
Studio
2010
.
On:O
12:O
April:O
2010:O
,:O
the:O
final:O
version:O
of:O
.:O
NET:product-software
Framework:product-software
4.0:product-software
was:O
launched:O
alongside:O
the:O
final:O
release:O
of:O
Microsoft:product-software
Visual:product-software
Studio:product-software
2010:product-software
.:O