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 ":".
Its
key
founder
was
Brendan
O'Regan
.
Its:O
key:O
founder:O
was:O
Brendan:person-other
O'Regan:person-other
.:O