With no explanation, label each line with "location-GPE", "O", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart", "building-airport" or "building-hospital" preceded by ":".
However
,
this
trend
began
to
decline
in
the
late
2000s
(
decade
)
as
living
standards
rose
sharply
after
the
Colombian
economic
boom
.
However:O
,:O
this:O
trend:O
began:O
to:O
decline:O
in:O
the:O
late:O
2000s:O
(:O
decade:O
):O
as:O
living:O
standards:O
rose:O
sharply:O
after:O
the:O
Colombian:location-GPE
economic:O
boom:O
.:O