With no explanation, label each line with "O", "building-sportsfacility", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart", "building-airport" or "building-hospital" preceded by ":".
Oestrike
Statium
is
used
for
baseball
and
softball
events
.
Oestrike:building-sportsfacility
Statium:building-sportsfacility
is:O
used:O
for:O
baseball:O
and:O
softball:O
events:O
.:O