With no explanation, label each line with "product-other", "O", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart", "building-airport" or "building-hospital" preceded by ":".
On
April
Fools
'
Day
2013
,
Google
Fiber
announced
the
introduction
of
Google
Fiber
to
the
Pole
.
On:O
April:O
Fools:O
':O
Day:O
2013:O
,:O
Google:product-other
Fiber:product-other
announced:O
the:O
introduction:O
of:O
Google:product-other
Fiber:product-other
to:O
the:O
Pole:O
.:O