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 ":".
Coached
by
David
Tanner
.
Coached:O
by:O
David:person-other
Tanner:person-other
.:O