With no explanation, label each line with "O", "person-actor", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart", "building-airport" or "building-hospital" preceded by ":".
Since
her
first
performance
,
Carroll
has
organized
and
performed
countless
times
.
Since:O
her:O
first:O
performance:O
,:O
Carroll:person-actor
has:O
organized:O
and:O
performed:O
countless:O
times:O
.:O