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 ":".
Milton
and
Tessie
marry
in
1946
.
Milton:person-other
and:O
Tessie:person-other
marry:O
in:O
1946:O
.:O