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
has
been
the
home
ground
for
the
Papua
New
Guinea
national
rugby
league
team
since
1975
.
It:O
has:O
been:O
the:O
home:O
ground:O
for:O
the:O
Papua:organization-sportsteam
New:organization-sportsteam
Guinea:organization-sportsteam
national:organization-sportsteam
rugby:organization-sportsteam
league:organization-sportsteam
team:organization-sportsteam
since:O
1975:O
.:O