With no explanation, label each line with "location-GPE", "O", "event-sportsevent", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart" or "building-airport" preceded by ":".
He
participated
in
the
1912
Olympic
Games
in
Stockholm
and
played
in
the
indoor
tournament
.
He:O
participated:O
in:O
the:O
1912:O
Olympic:event-sportsevent
Games:event-sportsevent
in:O
Stockholm:location-GPE
and:O
played:O
in:O
the:O
indoor:O
tournament:O
.:O