With no explanation, label each line with "person-athlete", "event-sportsevent", "O", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart" or "building-airport" preceded by ":".
May-Treanor
retired
from
competitive
play
on
August
8
,
2012
after
she
and
Walsh
Jennings
won
gold
in
the
2012
Summer
Olympics
.
May-Treanor:person-athlete
retired:O
from:O
competitive:O
play:O
on:O
August:O
8:O
,:O
2012:O
after:O
she:O
and:O
Walsh:person-athlete
Jennings:person-athlete
won:O
gold:O
in:O
the:O
2012:event-sportsevent
Summer:event-sportsevent
Olympics:event-sportsevent
.:O