With no explanation, label each line with "O", "person-athlete", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart", "building-airport" or "building-hospital" preceded by ":".
February
13
,
BloodWater
joined
.
February:O
13:O
,:O
BloodWater:person-athlete
joined:O
.:O