With no explanation, label each line with "location-GPE", "O", "event-other", "person-politician", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting" or "art-writtenart" preceded by ":".
In
addressing
his
change
of
posture
,
at
the
annual
Conservative
Political
Action
Conference
in
2015
,
Rubio
stated
that
his
biggest
lesson
from
the
failure
of
enacting
comprehensive
immigration
reform
,
was
that
Americans
would
not
support
it
until
the
border
is
secure
.
In:O
addressing:O
his:O
change:O
of:O
posture:O
,:O
at:O
the:O
annual:O
Conservative:event-other
Political:event-other
Action:event-other
Conference:event-other
in:O
2015:O
,:O
Rubio:person-politician
stated:O
that:O
his:O
biggest:O
lesson:O
from:O
the:O
failure:O
of:O
enacting:O
comprehensive:O
immigration:O
reform:O
,:O
was:O
that:O
Americans:location-GPE
would:O
not:O
support:O
it:O
until:O
the:O
border:O
is:O
secure:O
.:O