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 ":".
It
has
courses
in
B.A
.
It:O
has:O
courses:O
in:O
B.A:O
.:O