With no explanation, label each line with "O", "event-sportsevent", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart", "building-airport" or "building-hospital" preceded by ":".
The
2015
NASCAR
Whelen
Modified
Tour
was
the
thirty-first
season
of
the
Whelen
Modified
Tour
(
WMT
)
.
The:O
2015:O
NASCAR:event-sportsevent
Whelen:event-sportsevent
Modified:event-sportsevent
Tour:event-sportsevent
was:O
the:O
thirty-first:O
season:O
of:O
the:O
Whelen:event-sportsevent
Modified:event-sportsevent
Tour:event-sportsevent
(:O
WMT:event-sportsevent
):O
.:O