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 ":".
It
was
used
particularly
for
basketball
matches
of
Real
Madrid
.
It:O
was:O
used:O
particularly:O
for:O
basketball:O
matches:O
of:O
Real:organization-sportsteam
Madrid:organization-sportsteam
.:O