With no explanation, label each line with "O", "product-software", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart", "building-airport" or "building-hospital" preceded by ":".
Some
FFmpeg
developers
were
also
part
of
the
MPlayer
project
.
Some:O
FFmpeg:product-software
developers:O
were:O
also:O
part:O
of:O
the:O
MPlayer:product-software
project:O
.:O