With no explanation, label each line with "location-GPE", "O", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart", "building-airport" or "building-hospital" preceded by ":".
She
saw
four
doctors
,
all
of
whom
told
her
to
stop
gymnastics
until
she
met
a
USA
Gymnastics
doctor
who
performed
four
surgeries
for
them
to
reduce
pain
.
She:O
saw:O
four:O
doctors:O
,:O
all:O
of:O
whom:O
told:O
her:O
to:O
stop:O
gymnastics:O
until:O
she:O
met:O
a:O
USA:location-GPE
Gymnastics:O
doctor:O
who:O
performed:O
four:O
surgeries:O
for:O
them:O
to:O
reduce:O
pain:O
.:O