With no explanation, label each line with "O", "building-theater", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart", "building-airport" or "building-hospital" preceded by ":".
She
also
represented
this
role
at
the
Teatro
dell'Opera
di
Roma
in
March
2012
.
She:O
also:O
represented:O
this:O
role:O
at:O
the:O
Teatro:building-theater
dell'Opera:building-theater
di:building-theater
Roma:building-theater
in:O
March:O
2012:O
.:O