With no explanation, label each line with "location-GPE", "O", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart", "building-airport" or "building-hospital" preceded by ":".
The
town
was
known
as
Buissera
by
the
Crusades
.
The:O
town:O
was:O
known:O
as:O
Buissera:location-GPE
by:O
the:O
Crusades:O
.:O