With no explanation, label each line with "other-livingthing", "O", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart", "building-airport" or "building-hospital" preceded by ":".
A
porpoise
can
not
be
dropped
as
such
.
A:O
porpoise:other-livingthing
can:O
not:O
be:O
dropped:O
as:O
such:O
.:O