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 ":".
According
to
Fedak
,
``
Greta
``
is
actually
an
acronym
.
According:O
to:O
Fedak:person-other
,:O
``:O
Greta:person-other
``:O
is:O
actually:O
an:O
acronym:O
.:O