With no explanation, label each line with "O", "person-other", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart", "building-airport" or "building-hospital" preceded by ":".
Bill
had
two
sons
,
Michael
and
Frank
McMahon
.
Bill:O
had:O
two:O
sons:O
,:O
Michael:person-other
and:O
Frank:person-other
McMahon:person-other
.:O