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 ":".
It
is
less
commonly
known
as
Willamette
Summit
.
It:O
is:O
less:O
commonly:O
known:O
as:O
Willamette:location-mountain
Summit:location-mountain
.:O