With no explanation, label each line with "O", "organization-education", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart", "building-airport" or "building-hospital" preceded by ":".
She
supplemented
her
low
income
by
painting
greeting
cards
,
and
eventually
became
headmistress
of
Jackson
High
School
.
She:O
supplemented:O
her:O
low:O
income:O
by:O
painting:O
greeting:O
cards:O
,:O
and:O
eventually:O
became:O
headmistress:O
of:O
Jackson:organization-education
High:organization-education
School:organization-education
.:O