With no explanation, label each line with "O", "location-other", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart", "building-airport" or "building-hospital" preceded by ":".
These
children
and
families
work
at
La
Chureca
sorting
through
the
waste
.
These:O
children:O
and:O
families:O
work:O
at:O
La:location-other
Chureca:location-other
sorting:O
through:O
the:O
waste:O
.:O