With no explanation, label each line with "O", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart", "building-airport", "building-hospital" or "building-hotel" preceded by ":".
The
former
took
special
interest
in
him
.
The:O
former:O
took:O
special:O
interest:O
in:O
him:O
.:O