With no explanation, label each line with "O", "event-sportsevent", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart", "building-airport" or "building-hospital" preceded by ":".
In
response
to
allegations
of
sexism
,
the
picnic
later
launched
an
annual
Mr
.
CHIN
Bikini
contest
for
men
.
In:O
response:O
to:O
allegations:O
of:O
sexism:O
,:O
the:O
picnic:O
later:O
launched:O
an:O
annual:O
Mr:O
.:O
CHIN:event-sportsevent
Bikini:event-sportsevent
contest:O
for:O
men:O
.:O