With no explanation, label each line with "O", "organization-sportsteam", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart", "building-airport" or "building-hospital" preceded by ":".
The
NHL
Alumni
Showdown
coaches
were
named
on
July
26
,
2012
.
The:O
NHL:organization-sportsteam
Alumni:O
Showdown:O
coaches:O
were:O
named:O
on:O
July:O
26:O
,:O
2012:O
.:O