With no explanation, label each line with "O", "location-mountain", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart", "building-airport" or "building-hospital" preceded by ":".
The
summit
of
Ben
Nevis
comprises
a
large
stony
plateau
of
about
.
The:O
summit:O
of:O
Ben:location-mountain
Nevis:location-mountain
comprises:O
a:O
large:O
stony:O
plateau:O
of:O
about:O
.:O