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 ":".
This
was
the
battle
in
which
the
Indian
chief
Tecumseh
was
killed
.
This:O
was:O
the:O
battle:O
in:O
which:O
the:O
Indian:O
chief:O
Tecumseh:person-other
was:O
killed:O
.:O