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 ":".
Henry
spent
two
months
with
the
Rev
.
Henry:person-other
spent:O
two:O
months:O
with:O
the:O
Rev:person-other
.:O