With no explanation, label each line with "O", "other-language", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart", "building-airport" or "building-hospital" preceded by ":".
There
are
several
sound
changes
that
Old
Montagnais
underwent
.
There:O
are:O
several:O
sound:O
changes:O
that:O
Old:other-language
Montagnais:other-language
underwent:O
.:O