With no explanation, label each line with "O", "location-bodiesofwater", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart", "building-airport" or "building-hospital" preceded by ":".
The
town
sits
on
a
bay
of
Lake
Atitlán
between
two
volcanoes
.
The:O
town:O
sits:O
on:O
a:O
bay:O
of:O
Lake:location-bodiesofwater
Atitlán:location-bodiesofwater
between:O
two:O
volcanoes:O
.:O