With no explanation, label each line with "O", "building-hospital", "person-other", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart" or "building-airport" preceded by ":".
Maffio
is
involved
in
charity
work
at
St.
Jude
Children
's
Research
Hospital
and
formerly
at
Miami
Children
's
Hospital
.
Maffio:person-other
is:O
involved:O
in:O
charity:O
work:O
at:O
St.:building-hospital
Jude:building-hospital
Children:building-hospital
's:building-hospital
Research:building-hospital
Hospital:building-hospital
and:O
formerly:O
at:O
Miami:building-hospital
Children:building-hospital
's:building-hospital
Hospital:building-hospital
.:O