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 ":".
He
received
his
degree
of
A.B
.
He:O
received:O
his:O
degree:O
of:O
A.B:O
.:O