With no explanation, label each line with "O", "person-other", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart", "building-airport" or "building-hospital" preceded by ":".
Hamer
received
a
B.A
.
Hamer:person-other
received:O
a:O
B.A:O
.:O