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 ":".
Ancient
geographers
described
the
pass
through
what
was
then
known
as
the
Amanus
Mountains
as
300paces
across
.
Ancient:O
geographers:O
described:O
the:O
pass:O
through:O
what:O
was:O
then:O
known:O
as:O
the:O
Amanus:location-mountain
Mountains:location-mountain
as:O
300paces:O
across:O
.:O