With no explanation, label each line with "O", "person-director", "art-other", "art-broadcastprogram", "art-film", "art-music", "art-painting", "art-writtenart", "building-airport" or "building-hospital" preceded by ":".
is
an
adaptation
of
the
play
Green
Grow
the
Lilacs
By
Lynn
Riggs
.
is:O
an:O
adaptation:O
of:O
the:O
play:O
Green:art-other
Grow:art-other
the:art-other
Lilacs:art-other
By:O
Lynn:person-director
Riggs:person-director
.:O