With no explanation, label each line with "O", "person-athlete", "organization-sportsteam", "event-sportsevent", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting" or "art-writtenart" preceded by ":".
He
joined
the
US
Olympic
Team
for
the
2010
Winter
Games
in
Vancouver
on
short
notice
,
replacing
teammate
Dylan
Ferguson
who
was
recovering
from
an
emergency
appendectomy
shortly
before
the
Games
began
.
He:O
joined:O
the:O
US:organization-sportsteam
Olympic:organization-sportsteam
Team:organization-sportsteam
for:O
the:O
2010:event-sportsevent
Winter:event-sportsevent
Games:event-sportsevent
in:event-sportsevent
Vancouver:event-sportsevent
on:O
short:O
notice:O
,:O
replacing:O
teammate:O
Dylan:person-athlete
Ferguson:person-athlete
who:O
was:O
recovering:O
from:O
an:O
emergency:O
appendectomy:O
shortly:O
before:O
the:O
Games:O
began:O
.:O