With no explanation, label each line with "O", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart", "building-airport", "building-hospital" or "building-hotel" preceded by ":".
The
monastery
was
frequently
damaged
during
sieges
due
to
its
elevated
location
near
the
western
city
wall
.
The:O
monastery:O
was:O
frequently:O
damaged:O
during:O
sieges:O
due:O
to:O
its:O
elevated:O
location:O
near:O
the:O
western:O
city:O
wall:O
.:O